Regen docs (#364)

diff --git a/docs/dyn/safebrowsing_v4.threatMatches.html b/docs/dyn/safebrowsing_v4.threatMatches.html
index 2294a6a..cd7242a 100644
--- a/docs/dyn/safebrowsing_v4.threatMatches.html
+++ b/docs/dyn/safebrowsing_v4.threatMatches.html
@@ -72,7 +72,7 @@
 
 </style>
 
-<h1><a href="safebrowsing_v4.html">Safe Browsing APIs</a> . <a href="safebrowsing_v4.threatMatches.html">threatMatches</a></h1>
+<h1><a href="safebrowsing_v4.html">Google Safe Browsing API</a> . <a href="safebrowsing_v4.threatMatches.html">threatMatches</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="#find">find(body, x__xgafv=None)</a></code></p>
@@ -89,29 +89,38 @@
 { # Request to check entries against lists.
     "client": { # The client metadata associated with Safe Browsing API requests. # The client metadata.
       "clientVersion": "A String", # The version of the client implementation.
-      "clientId": "A String", # A client ID that (hopefully) uniquely identifies the client implementation of the Safe Browsing API.
+      "clientId": "A String", # A client ID that (hopefully) uniquely identifies the client implementation
+          # of the Safe Browsing API.
     },
-    "threatInfo": { # The information regarding one or more threats that a client submits when checking for matches in threat lists. # The lists and entries to be checked for matches.
+    "threatInfo": { # The information regarding one or more threats that a client submits when # The lists and entries to be checked for matches.
+        # checking for matches in threat lists.
       "threatTypes": [ # The threat types to be checked.
         "A String",
       ],
-      "threatEntries": [ # The threat entries to be checked.
-        { # An individual threat; for example, a malicious URL or its hash representation. Only one of these fields should be set.
-          "url": "A String", # A URL.
-          "hash": "A String", # A hash prefix, consisting of the most significant 4-32 bytes of a SHA256 hash. This field is in binary format.
-          "digest": "A String", # The digest of an executable in SHA256 format. The API supports both binary and hex digests.
-        },
-      ],
-      "platformTypes": [ # The platform types to be checked.
-        "A String",
-      ],
       "threatEntryTypes": [ # The entry types to be checked.
         "A String",
       ],
+      "platformTypes": [ # The platform types to be checked.
+        "A String",
+      ],
+      "threatEntries": [ # The threat entries to be checked.
+        { # An individual threat; for example, a malicious URL or its hash
+            # representation. Only one of these fields should be set.
+          "url": "A String", # A URL.
+          "hash": "A String", # A hash prefix, consisting of the most significant 4-32 bytes of a SHA256
+              # hash. This field is in binary format. For JSON requests, hashes are
+              # base64-encoded.
+          "digest": "A String", # The digest of an executable in SHA256 format. The API supports both
+              # binary and hex digests. For JSON requests, digests are base64-encoded.
+        },
+      ],
     },
   }
 
   x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
 
 Returns:
   An object of the form:
@@ -120,20 +129,26 @@
     "matches": [ # The threat list matches.
       { # A match when checking a threat entry in the Safe Browsing threat lists.
         "threatType": "A String", # The threat type matching this threat.
-        "threatEntryMetadata": { # The metadata associated with a specific threat entry. The client is expected to know the metadata key/value pairs associated with each threat type. # Optional metadata associated with this threat.
+        "threatEntryMetadata": { # The metadata associated with a specific threat entry. The client is expected # Optional metadata associated with this threat.
+            # to know the metadata key/value pairs associated with each threat type.
           "entries": [ # The metadata entries.
             { # A single metadata entry.
-              "value": "A String", # The metadata entry value.
-              "key": "A String", # The metadata entry key.
+              "key": "A String", # The metadata entry key. For JSON requests, the key is base64-encoded.
+              "value": "A String", # The metadata entry value. For JSON requests, the value is base64-encoded.
             },
           ],
         },
         "threatEntryType": "A String", # The threat entry type matching this threat.
-        "cacheDuration": "A String", # The cache lifetime for the returned match. Clients must not cache this response for more than this duration to avoid false positives.
-        "threat": { # An individual threat; for example, a malicious URL or its hash representation. Only one of these fields should be set. # The threat matching this threat.
+        "cacheDuration": "A String", # The cache lifetime for the returned match. Clients must not cache this
+            # response for more than this duration to avoid false positives.
+        "threat": { # An individual threat; for example, a malicious URL or its hash # The threat matching this threat.
+            # representation. Only one of these fields should be set.
           "url": "A String", # A URL.
-          "hash": "A String", # A hash prefix, consisting of the most significant 4-32 bytes of a SHA256 hash. This field is in binary format.
-          "digest": "A String", # The digest of an executable in SHA256 format. The API supports both binary and hex digests.
+          "hash": "A String", # A hash prefix, consisting of the most significant 4-32 bytes of a SHA256
+              # hash. This field is in binary format. For JSON requests, hashes are
+              # base64-encoded.
+          "digest": "A String", # The digest of an executable in SHA256 format. The API supports both
+              # binary and hex digests. For JSON requests, digests are base64-encoded.
         },
         "platformType": "A String", # The platform type matching this threat.
       },