Clean and regen docs (#401)

diff --git a/docs/dyn/container_v1.projects.zones.html b/docs/dyn/container_v1.projects.zones.html
index 47dc6f2..7bf66d0 100644
--- a/docs/dyn/container_v1.projects.zones.html
+++ b/docs/dyn/container_v1.projects.zones.html
@@ -93,9 +93,14 @@
   <pre>Returns configuration info about the Container Engine service.
 
 Args:
-  projectId: string, The Google Developers Console [project ID or project number](https://support.google.com/cloud/answer/6158840). (required)
-  zone: string, The name of the Google Compute Engine [zone](/compute/docs/zones#available) to return operations for. (required)
+  projectId: string, The Google Developers Console [project ID or project
+number](https://support.google.com/cloud/answer/6158840). (required)
+  zone: string, The name of the Google Compute Engine [zone](/compute/docs/zones#available)
+to return operations for. (required)
   x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
 
 Returns:
   An object of the form: