Regen docs (#364)

diff --git a/docs/dyn/partners_v2.userStates.html b/docs/dyn/partners_v2.userStates.html
index dff44e6..3163914 100644
--- a/docs/dyn/partners_v2.userStates.html
+++ b/docs/dyn/partners_v2.userStates.html
@@ -84,18 +84,26 @@
 
 Args:
   requestMetadata_userOverrides_ipAddress: string, IP address to use instead of the user's geo-located IP address.
-  requestMetadata_trafficSource_trafficSubId: string, Second level identifier to indicate where the traffic comes from. An identifier has multiple letters created by a team which redirected the traffic to us.
+  requestMetadata_trafficSource_trafficSubId: string, Second level identifier to indicate where the traffic comes from.
+An identifier has multiple letters created by a team which redirected the
+traffic to us.
   requestMetadata_userOverrides_userId: string, Logged-in user ID to impersonate instead of the user's ID.
   x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
   requestMetadata_locale: string, Locale to use for the current request.
   requestMetadata_experimentIds: string, Experiment IDs the current request belongs to. (repeated)
-  requestMetadata_trafficSource_trafficSourceId: string, Identifier to indicate where the traffic comes from. An identifier has multiple letters created by a team which redirected the traffic to us.
+  requestMetadata_trafficSource_trafficSourceId: string, Identifier to indicate where the traffic comes from.
+An identifier has multiple letters created by a team which redirected the
+traffic to us.
   requestMetadata_partnersSessionId: string, Google Partners session ID.
 
 Returns:
   An object of the form:
 
-    { # Response message for ListUserStates.
+    { # Response message for
+      # ListUserStates.
     "userStates": [ # User's states.
       "A String",
     ],