chore: regens API reference docs (#889)

diff --git a/docs/dyn/language_v1beta2.documents.html b/docs/dyn/language_v1beta2.documents.html
index 9beb69c..b5e734c 100644
--- a/docs/dyn/language_v1beta2.documents.html
+++ b/docs/dyn/language_v1beta2.documents.html
@@ -75,56 +75,61 @@
 <h1><a href="language_v1beta2.html">Cloud Natural Language API</a> . <a href="language_v1beta2.documents.html">documents</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#analyzeEntities">analyzeEntities(body, x__xgafv=None)</a></code></p>
+  <code><a href="#analyzeEntities">analyzeEntities(body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Finds named entities (currently proper names and common nouns) in the text</p>
 <p class="toc_element">
-  <code><a href="#analyzeEntitySentiment">analyzeEntitySentiment(body, x__xgafv=None)</a></code></p>
+  <code><a href="#analyzeEntitySentiment">analyzeEntitySentiment(body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Finds entities, similar to AnalyzeEntities in the text and analyzes</p>
 <p class="toc_element">
-  <code><a href="#analyzeSentiment">analyzeSentiment(body, x__xgafv=None)</a></code></p>
+  <code><a href="#analyzeSentiment">analyzeSentiment(body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Analyzes the sentiment of the provided text.</p>
 <p class="toc_element">
-  <code><a href="#analyzeSyntax">analyzeSyntax(body, x__xgafv=None)</a></code></p>
+  <code><a href="#analyzeSyntax">analyzeSyntax(body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Analyzes the syntax of the text and provides sentence boundaries and</p>
 <p class="toc_element">
-  <code><a href="#annotateText">annotateText(body, x__xgafv=None)</a></code></p>
+  <code><a href="#annotateText">annotateText(body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">A convenience method that provides all syntax, sentiment, entity, and</p>
 <p class="toc_element">
-  <code><a href="#classifyText">classifyText(body, x__xgafv=None)</a></code></p>
+  <code><a href="#classifyText">classifyText(body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Classifies a document into categories.</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="analyzeEntities">analyzeEntities(body, x__xgafv=None)</code>
+    <code class="details" id="analyzeEntities">analyzeEntities(body=None, x__xgafv=None)</code>
   <pre>Finds named entities (currently proper names and common nouns) in the text
 along with entity types, salience, mentions for each entity, and
 other properties.
 
 Args:
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # The entity analysis request message.
-    "document": { # ################################################################ # # Input document.
+    "encodingType": "A String", # The encoding type used by the API to calculate offsets.
+    "document": { # ################################################################ # # Required. Input document.
         #
         # Represents the input to API methods.
-      "content": "A String", # The content of the input in string format.
-          # Cloud audit logging exempt since it is based on user data.
-      "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
-          # returns an `INVALID_ARGUMENT` error.
       "language": "A String", # The language of the document (if not specified, the language is
           # automatically detected). Both ISO and BCP-47 language codes are
-          # accepted.<br>
-          # [Language Support](/natural-language/docs/languages)
-          # lists currently supported languages for each API method.
-          # If the language (either specified by the caller or automatically detected)
-          # is not supported by the called API method, an `INVALID_ARGUMENT` error
-          # is returned.
+          # accepted.&lt;br&gt;
+          # [Language
+          # Support](https://cloud.google.com/natural-language/docs/languages) lists
+          # currently supported languages for each API method. If the language (either
+          # specified by the caller or automatically detected) is not supported by the
+          # called API method, an `INVALID_ARGUMENT` error is returned.
       "gcsContentUri": "A String", # The Google Cloud Storage URI where the file content is located.
           # This URI must be of the form: gs://bucket_name/object_name. For more
           # details, see https://cloud.google.com/storage/docs/reference-uris.
           # NOTE: Cloud Storage object versioning is not supported.
+      "content": "A String", # The content of the input in string format.
+          # Cloud audit logging exempt since it is based on user data.
+      "referenceWebUri": "A String", # The web URI where the document comes from. This URI is not used for
+          # fetching the content, but as a hint for analyzing the document.
+      "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
+          # returns an `INVALID_ARGUMENT` error.
+      "boilerplateHandling": "A String", # Indicates how detected boilerplate(e.g. advertisements, copyright
+          # declarations, banners) should be handled for this document. If not
+          # specified, boilerplate will be treated the same as content.
     },
-    "encodingType": "A String", # The encoding type used by the API to calculate offsets.
   }
 
   x__xgafv: string, V1 error format.
@@ -200,35 +205,40 @@
 </div>
 
 <div class="method">
-    <code class="details" id="analyzeEntitySentiment">analyzeEntitySentiment(body, x__xgafv=None)</code>
+    <code class="details" id="analyzeEntitySentiment">analyzeEntitySentiment(body=None, x__xgafv=None)</code>
   <pre>Finds entities, similar to AnalyzeEntities in the text and analyzes
 sentiment associated with each entity and its mentions.
 
 Args:
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # The entity-level sentiment analysis request message.
     "encodingType": "A String", # The encoding type used by the API to calculate offsets.
-    "document": { # ################################################################ # # Input document.
+    "document": { # ################################################################ # # Required. Input document.
         #
         # Represents the input to API methods.
-      "content": "A String", # The content of the input in string format.
-          # Cloud audit logging exempt since it is based on user data.
-      "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
-          # returns an `INVALID_ARGUMENT` error.
       "language": "A String", # The language of the document (if not specified, the language is
           # automatically detected). Both ISO and BCP-47 language codes are
-          # accepted.<br>
-          # [Language Support](/natural-language/docs/languages)
-          # lists currently supported languages for each API method.
-          # If the language (either specified by the caller or automatically detected)
-          # is not supported by the called API method, an `INVALID_ARGUMENT` error
-          # is returned.
+          # accepted.&lt;br&gt;
+          # [Language
+          # Support](https://cloud.google.com/natural-language/docs/languages) lists
+          # currently supported languages for each API method. If the language (either
+          # specified by the caller or automatically detected) is not supported by the
+          # called API method, an `INVALID_ARGUMENT` error is returned.
       "gcsContentUri": "A String", # The Google Cloud Storage URI where the file content is located.
           # This URI must be of the form: gs://bucket_name/object_name. For more
           # details, see https://cloud.google.com/storage/docs/reference-uris.
           # NOTE: Cloud Storage object versioning is not supported.
+      "content": "A String", # The content of the input in string format.
+          # Cloud audit logging exempt since it is based on user data.
+      "referenceWebUri": "A String", # The web URI where the document comes from. This URI is not used for
+          # fetching the content, but as a hint for analyzing the document.
+      "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
+          # returns an `INVALID_ARGUMENT` error.
+      "boilerplateHandling": "A String", # Indicates how detected boilerplate(e.g. advertisements, copyright
+          # declarations, banners) should be handled for this document. If not
+          # specified, boilerplate will be treated the same as content.
     },
   }
 
@@ -305,35 +315,40 @@
 </div>
 
 <div class="method">
-    <code class="details" id="analyzeSentiment">analyzeSentiment(body, x__xgafv=None)</code>
+    <code class="details" id="analyzeSentiment">analyzeSentiment(body=None, x__xgafv=None)</code>
   <pre>Analyzes the sentiment of the provided text.
 
 Args:
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # The sentiment analysis request message.
     "encodingType": "A String", # The encoding type used by the API to calculate sentence offsets for the
         # sentence sentiment.
-    "document": { # ################################################################ # # Input document.
+    "document": { # ################################################################ # # Required. Input document.
         #
         # Represents the input to API methods.
-      "content": "A String", # The content of the input in string format.
-          # Cloud audit logging exempt since it is based on user data.
-      "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
-          # returns an `INVALID_ARGUMENT` error.
       "language": "A String", # The language of the document (if not specified, the language is
           # automatically detected). Both ISO and BCP-47 language codes are
-          # accepted.<br>
-          # [Language Support](/natural-language/docs/languages)
-          # lists currently supported languages for each API method.
-          # If the language (either specified by the caller or automatically detected)
-          # is not supported by the called API method, an `INVALID_ARGUMENT` error
-          # is returned.
+          # accepted.&lt;br&gt;
+          # [Language
+          # Support](https://cloud.google.com/natural-language/docs/languages) lists
+          # currently supported languages for each API method. If the language (either
+          # specified by the caller or automatically detected) is not supported by the
+          # called API method, an `INVALID_ARGUMENT` error is returned.
       "gcsContentUri": "A String", # The Google Cloud Storage URI where the file content is located.
           # This URI must be of the form: gs://bucket_name/object_name. For more
           # details, see https://cloud.google.com/storage/docs/reference-uris.
           # NOTE: Cloud Storage object versioning is not supported.
+      "content": "A String", # The content of the input in string format.
+          # Cloud audit logging exempt since it is based on user data.
+      "referenceWebUri": "A String", # The web URI where the document comes from. This URI is not used for
+          # fetching the content, but as a hint for analyzing the document.
+      "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
+          # returns an `INVALID_ARGUMENT` error.
+      "boilerplateHandling": "A String", # Indicates how detected boilerplate(e.g. advertisements, copyright
+          # declarations, banners) should be handled for this document. If not
+          # specified, boilerplate will be treated the same as content.
     },
   }
 
@@ -382,36 +397,41 @@
 </div>
 
 <div class="method">
-    <code class="details" id="analyzeSyntax">analyzeSyntax(body, x__xgafv=None)</code>
+    <code class="details" id="analyzeSyntax">analyzeSyntax(body=None, x__xgafv=None)</code>
   <pre>Analyzes the syntax of the text and provides sentence boundaries and
 tokenization along with part of speech tags, dependency trees, and other
 properties.
 
 Args:
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # The syntax analysis request message.
     "encodingType": "A String", # The encoding type used by the API to calculate offsets.
-    "document": { # ################################################################ # # Input document.
+    "document": { # ################################################################ # # Required. Input document.
         #
         # Represents the input to API methods.
-      "content": "A String", # The content of the input in string format.
-          # Cloud audit logging exempt since it is based on user data.
-      "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
-          # returns an `INVALID_ARGUMENT` error.
       "language": "A String", # The language of the document (if not specified, the language is
           # automatically detected). Both ISO and BCP-47 language codes are
-          # accepted.<br>
-          # [Language Support](/natural-language/docs/languages)
-          # lists currently supported languages for each API method.
-          # If the language (either specified by the caller or automatically detected)
-          # is not supported by the called API method, an `INVALID_ARGUMENT` error
-          # is returned.
+          # accepted.&lt;br&gt;
+          # [Language
+          # Support](https://cloud.google.com/natural-language/docs/languages) lists
+          # currently supported languages for each API method. If the language (either
+          # specified by the caller or automatically detected) is not supported by the
+          # called API method, an `INVALID_ARGUMENT` error is returned.
       "gcsContentUri": "A String", # The Google Cloud Storage URI where the file content is located.
           # This URI must be of the form: gs://bucket_name/object_name. For more
           # details, see https://cloud.google.com/storage/docs/reference-uris.
           # NOTE: Cloud Storage object versioning is not supported.
+      "content": "A String", # The content of the input in string format.
+          # Cloud audit logging exempt since it is based on user data.
+      "referenceWebUri": "A String", # The web URI where the document comes from. This URI is not used for
+          # fetching the content, but as a hint for analyzing the document.
+      "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
+          # returns an `INVALID_ARGUMENT` error.
+      "boilerplateHandling": "A String", # Indicates how detected boilerplate(e.g. advertisements, copyright
+          # declarations, banners) should be handled for this document. If not
+          # specified, boilerplate will be treated the same as content.
     },
   }
 
@@ -426,7 +446,25 @@
     { # The syntax analysis response message.
     "tokens": [ # Tokens, along with their syntactic information, in the input document.
       { # Represents the smallest syntactic building block of the text.
-        "lemma": "A String", # [Lemma](https://en.wikipedia.org/wiki/Lemma_%28morphology%29) of the token.
+        "text": { # Represents an output piece of text. # The token text.
+          "content": "A String", # The content of the output text.
+          "beginOffset": 42, # The API calculates the beginning offset of the content in the original
+              # document according to the EncodingType specified in the API request.
+        },
+        "partOfSpeech": { # Represents part of speech information for a token. # Parts of speech tag for this token.
+          "case": "A String", # The grammatical case.
+          "reciprocity": "A String", # The grammatical reciprocity.
+          "mood": "A String", # The grammatical mood.
+          "form": "A String", # The grammatical form.
+          "gender": "A String", # The grammatical gender.
+          "number": "A String", # The grammatical number.
+          "person": "A String", # The grammatical person.
+          "tag": "A String", # The part of speech tag.
+          "tense": "A String", # The grammatical tense.
+          "aspect": "A String", # The grammatical aspect.
+          "proper": "A String", # The grammatical properness.
+          "voice": "A String", # The grammatical voice.
+        },
         "dependencyEdge": { # Represents dependency parse tree information for a token. # Dependency tree parse for this token.
           "headTokenIndex": 42, # Represents the head of this token in the dependency tree.
               # This is the index of the token which has an arc going to this token.
@@ -435,25 +473,7 @@
               # `head_token_index` is its own index.
           "label": "A String", # The parse label for the token.
         },
-        "partOfSpeech": { # Represents part of speech information for a token. # Parts of speech tag for this token.
-          "case": "A String", # The grammatical case.
-          "mood": "A String", # The grammatical mood.
-          "form": "A String", # The grammatical form.
-          "gender": "A String", # The grammatical gender.
-          "aspect": "A String", # The grammatical aspect.
-          "number": "A String", # The grammatical number.
-          "person": "A String", # The grammatical person.
-          "tag": "A String", # The part of speech tag.
-          "tense": "A String", # The grammatical tense.
-          "reciprocity": "A String", # The grammatical reciprocity.
-          "proper": "A String", # The grammatical properness.
-          "voice": "A String", # The grammatical voice.
-        },
-        "text": { # Represents an output piece of text. # The token text.
-          "content": "A String", # The content of the output text.
-          "beginOffset": 42, # The API calculates the beginning offset of the content in the original
-              # document according to the EncodingType specified in the API request.
-        },
+        "lemma": "A String", # [Lemma](https://en.wikipedia.org/wiki/Lemma_%28morphology%29) of the token.
       },
     ],
     "language": "A String", # The language of the text, which will be the same as the language specified
@@ -483,47 +503,53 @@
 </div>
 
 <div class="method">
-    <code class="details" id="annotateText">annotateText(body, x__xgafv=None)</code>
+    <code class="details" id="annotateText">annotateText(body=None, x__xgafv=None)</code>
   <pre>A convenience method that provides all syntax, sentiment, entity, and
 classification features in one call.
 
 Args:
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # The request message for the text annotation API, which can perform multiple
       # analysis types (sentiment, entities, and syntax) in one call.
     "encodingType": "A String", # The encoding type used by the API to calculate offsets.
-    "document": { # ################################################################ # # Input document.
+    "document": { # ################################################################ # # Required. Input document.
         #
         # Represents the input to API methods.
-      "content": "A String", # The content of the input in string format.
-          # Cloud audit logging exempt since it is based on user data.
-      "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
-          # returns an `INVALID_ARGUMENT` error.
       "language": "A String", # The language of the document (if not specified, the language is
           # automatically detected). Both ISO and BCP-47 language codes are
-          # accepted.<br>
-          # [Language Support](/natural-language/docs/languages)
-          # lists currently supported languages for each API method.
-          # If the language (either specified by the caller or automatically detected)
-          # is not supported by the called API method, an `INVALID_ARGUMENT` error
-          # is returned.
+          # accepted.&lt;br&gt;
+          # [Language
+          # Support](https://cloud.google.com/natural-language/docs/languages) lists
+          # currently supported languages for each API method. If the language (either
+          # specified by the caller or automatically detected) is not supported by the
+          # called API method, an `INVALID_ARGUMENT` error is returned.
       "gcsContentUri": "A String", # The Google Cloud Storage URI where the file content is located.
           # This URI must be of the form: gs://bucket_name/object_name. For more
           # details, see https://cloud.google.com/storage/docs/reference-uris.
           # NOTE: Cloud Storage object versioning is not supported.
+      "content": "A String", # The content of the input in string format.
+          # Cloud audit logging exempt since it is based on user data.
+      "referenceWebUri": "A String", # The web URI where the document comes from. This URI is not used for
+          # fetching the content, but as a hint for analyzing the document.
+      "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
+          # returns an `INVALID_ARGUMENT` error.
+      "boilerplateHandling": "A String", # Indicates how detected boilerplate(e.g. advertisements, copyright
+          # declarations, banners) should be handled for this document. If not
+          # specified, boilerplate will be treated the same as content.
     },
-    "features": { # All available features for sentiment, syntax, and semantic analysis. # The enabled features.
+    "features": { # All available features for sentiment, syntax, and semantic analysis. # Required. The enabled features.
         # Setting each one to true will enable that specific analysis for the input.
         # Next ID: 10
-      "extractDocumentSentiment": True or False, # Extract document-level sentiment.
       "extractEntitySentiment": True or False, # Extract entities and their associated sentiment.
       "extractSyntax": True or False, # Extract syntax information.
       "extractEntities": True or False, # Extract entities.
+      "extractDocumentSentiment": True or False, # Extract document-level sentiment.
       "classifyText": True or False, # Classify the full document into categories. If this is true,
           # the API will use the default model which classifies into a
-          # [predefined taxonomy](/natural-language/docs/categories).
+          # [predefined
+          # taxonomy](https://cloud.google.com/natural-language/docs/categories).
     },
   }
 
@@ -543,7 +569,25 @@
         # Populated if the user enables
         # AnnotateTextRequest.Features.extract_syntax.
       { # Represents the smallest syntactic building block of the text.
-        "lemma": "A String", # [Lemma](https://en.wikipedia.org/wiki/Lemma_%28morphology%29) of the token.
+        "text": { # Represents an output piece of text. # The token text.
+          "content": "A String", # The content of the output text.
+          "beginOffset": 42, # The API calculates the beginning offset of the content in the original
+              # document according to the EncodingType specified in the API request.
+        },
+        "partOfSpeech": { # Represents part of speech information for a token. # Parts of speech tag for this token.
+          "case": "A String", # The grammatical case.
+          "reciprocity": "A String", # The grammatical reciprocity.
+          "mood": "A String", # The grammatical mood.
+          "form": "A String", # The grammatical form.
+          "gender": "A String", # The grammatical gender.
+          "number": "A String", # The grammatical number.
+          "person": "A String", # The grammatical person.
+          "tag": "A String", # The part of speech tag.
+          "tense": "A String", # The grammatical tense.
+          "aspect": "A String", # The grammatical aspect.
+          "proper": "A String", # The grammatical properness.
+          "voice": "A String", # The grammatical voice.
+        },
         "dependencyEdge": { # Represents dependency parse tree information for a token. # Dependency tree parse for this token.
           "headTokenIndex": 42, # Represents the head of this token in the dependency tree.
               # This is the index of the token which has an arc going to this token.
@@ -552,25 +596,7 @@
               # `head_token_index` is its own index.
           "label": "A String", # The parse label for the token.
         },
-        "partOfSpeech": { # Represents part of speech information for a token. # Parts of speech tag for this token.
-          "case": "A String", # The grammatical case.
-          "mood": "A String", # The grammatical mood.
-          "form": "A String", # The grammatical form.
-          "gender": "A String", # The grammatical gender.
-          "aspect": "A String", # The grammatical aspect.
-          "number": "A String", # The grammatical number.
-          "person": "A String", # The grammatical person.
-          "tag": "A String", # The part of speech tag.
-          "tense": "A String", # The grammatical tense.
-          "reciprocity": "A String", # The grammatical reciprocity.
-          "proper": "A String", # The grammatical properness.
-          "voice": "A String", # The grammatical voice.
-        },
-        "text": { # Represents an output piece of text. # The token text.
-          "content": "A String", # The content of the output text.
-          "beginOffset": 42, # The API calculates the beginning offset of the content in the original
-              # document according to the EncodingType specified in the API request.
-        },
+        "lemma": "A String", # [Lemma](https://en.wikipedia.org/wiki/Lemma_%28morphology%29) of the token.
       },
     ],
     "entities": [ # Entities, along with their semantic information, in the input document.
@@ -668,40 +694,45 @@
         "confidence": 3.14, # The classifier's confidence of the category. Number represents how certain
             # the classifier is that this category represents the given text.
         "name": "A String", # The name of the category representing the document, from the [predefined
-            # taxonomy](/natural-language/docs/categories).
+            # taxonomy](https://cloud.google.com/natural-language/docs/categories).
       },
     ],
   }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="classifyText">classifyText(body, x__xgafv=None)</code>
+    <code class="details" id="classifyText">classifyText(body=None, x__xgafv=None)</code>
   <pre>Classifies a document into categories.
 
 Args:
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # The document classification request message.
-    "document": { # ################################################################ # # Input document.
+    "document": { # ################################################################ # # Required. Input document.
         #
         # Represents the input to API methods.
-      "content": "A String", # The content of the input in string format.
-          # Cloud audit logging exempt since it is based on user data.
-      "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
-          # returns an `INVALID_ARGUMENT` error.
       "language": "A String", # The language of the document (if not specified, the language is
           # automatically detected). Both ISO and BCP-47 language codes are
-          # accepted.<br>
-          # [Language Support](/natural-language/docs/languages)
-          # lists currently supported languages for each API method.
-          # If the language (either specified by the caller or automatically detected)
-          # is not supported by the called API method, an `INVALID_ARGUMENT` error
-          # is returned.
+          # accepted.&lt;br&gt;
+          # [Language
+          # Support](https://cloud.google.com/natural-language/docs/languages) lists
+          # currently supported languages for each API method. If the language (either
+          # specified by the caller or automatically detected) is not supported by the
+          # called API method, an `INVALID_ARGUMENT` error is returned.
       "gcsContentUri": "A String", # The Google Cloud Storage URI where the file content is located.
           # This URI must be of the form: gs://bucket_name/object_name. For more
           # details, see https://cloud.google.com/storage/docs/reference-uris.
           # NOTE: Cloud Storage object versioning is not supported.
+      "content": "A String", # The content of the input in string format.
+          # Cloud audit logging exempt since it is based on user data.
+      "referenceWebUri": "A String", # The web URI where the document comes from. This URI is not used for
+          # fetching the content, but as a hint for analyzing the document.
+      "type": "A String", # Required. If the type is not set or is `TYPE_UNSPECIFIED`,
+          # returns an `INVALID_ARGUMENT` error.
+      "boilerplateHandling": "A String", # Indicates how detected boilerplate(e.g. advertisements, copyright
+          # declarations, banners) should be handled for this document. If not
+          # specified, boilerplate will be treated the same as content.
     },
   }
 
@@ -719,7 +750,7 @@
         "confidence": 3.14, # The classifier's confidence of the category. Number represents how certain
             # the classifier is that this category represents the given text.
         "name": "A String", # The name of the category representing the document, from the [predefined
-            # taxonomy](/natural-language/docs/categories).
+            # taxonomy](https://cloud.google.com/natural-language/docs/categories).
       },
     ],
   }</pre>