Update docs (#291)

diff --git a/docs/dyn/language_v1beta1.documents.html b/docs/dyn/language_v1beta1.documents.html
index 4df363c..8e6da6b 100644
--- a/docs/dyn/language_v1beta1.documents.html
+++ b/docs/dyn/language_v1beta1.documents.html
@@ -82,7 +82,7 @@
 <p class="firstline">Analyzes the sentiment of the provided text.</p>
 <p class="toc_element">
   <code><a href="#annotateText">annotateText(body, x__xgafv=None)</a></code></p>
-<p class="firstline">Advanced API that analyzes the document and provides a full set of text</p>
+<p class="firstline">A convenience method that provides all the features that analyzeSentiment,</p>
 <h3>Method Details</h3>
 <div class="method">
     <code class="details" id="analyzeEntities">analyzeEntities(body, x__xgafv=None)</code>
@@ -158,6 +158,7 @@
     ],
     "language": "A String", # The language of the text, which will be the same as the language specified
         # in the request or, if not specified, the automatically-detected language.
+        # See Document.language field for more details.
   }</pre>
 </div>
 
@@ -216,17 +217,15 @@
 
 <div class="method">
     <code class="details" id="annotateText">annotateText(body, x__xgafv=None)</code>
-  <pre>Advanced API that analyzes the document and provides a full set of text
-annotations, including semantic, syntactic, and sentiment information. This
-API is intended for users who are familiar with machine learning and need
-in-depth text features to build upon.
+  <pre>A convenience method that provides all the features that analyzeSentiment,
+analyzeEntities, and analyzeSyntax provide in one call.
 
 Args:
   body: object, The request body. (required)
     The object takes the form of:
 
-{ # The request message for the advanced text annotation API, which performs all
-      # the above plus syntactic analysis.
+{ # The request message for the text annotation API, which can perform multiple
+      # analysis types (sentiment, entities, and syntax) in one call.
     "document": { # ################################################################ # # Input document.
         #
         # Represents the input to API methods.
@@ -332,6 +331,7 @@
     },
     "language": "A String", # The language of the text, which will be the same as the language specified
         # in the request or, if not specified, the automatically-detected language.
+        # See Document.language field for more details.
     "sentences": [ # Sentences in the input document. Populated if the user enables
         # AnnotateTextRequest.Features.extract_syntax.
       { # Represents a sentence in the input document.