Clean and regen docs (#401)

diff --git a/docs/dyn/cloudresourcemanager_v1.operations.html b/docs/dyn/cloudresourcemanager_v1.operations.html
index dd1970c..af114fc 100644
--- a/docs/dyn/cloudresourcemanager_v1.operations.html
+++ b/docs/dyn/cloudresourcemanager_v1.operations.html
@@ -119,7 +119,7 @@
         # error message is needed, put the localized message in the error details or
         # localize it in the client. The optional error details may contain arbitrary
         # information about the error. There is a predefined set of error detail types
-        # in the package `google.rpc` which can be used for common error conditions.
+        # in the package `google.rpc` that can be used for common error conditions.
         #
         # # Language mapping
         #
@@ -142,7 +142,7 @@
         #     errors.
         #
         # - Workflow errors. A typical workflow has multiple steps. Each step may
-        #     have a `Status` message for error reporting purpose.
+        #     have a `Status` message for error reporting.
         #
         # - Batch operations. If a client uses batch request and batch response, the
         #     `Status` message should be used directly inside batch response, one for