add seconds

Author: sai-sunder-s

google/auth/compute_engine/_metadata.py

@@ -179,7 +179,7 @@ def get(
         headers (Optional[Mapping[str, str]]): Headers for the request.
         return_none_for_not_found_error (Optional[bool]): If True, returns None
             for 404 error instead of throwing an exception.
-        timeout (int): How long to wait for the metadata server to respond.
+        timeout (int): How long to wait, in seconds for the metadata server to respond.
 
     Returns:
         Union[Mapping, str]: If the metadata server returns JSON, a mapping of