[Trivialfix]Fix typos

Fix the typos in manila.

Change-Id: I4d446759eddf512c46247aca0bab08b4c8155d9a
diff --git a/manila_tempest_tests/tests/api/admin/test_user_messages.py b/manila_tempest_tests/tests/api/admin/test_user_messages.py
index a887970..6bcd7cf 100644
--- a/manila_tempest_tests/tests/api/admin/test_user_messages.py
+++ b/manila_tempest_tests/tests/api/admin/test_user_messages.py
@@ -61,7 +61,7 @@
         # for number of keys in response's dict, if there is only single
         # key, it returns directly this key, otherwise it returns
         # parsed body. If limit param is used, then API returns
-        # multiple keys in reponse ('messages' and 'message_links')
+        # multiple keys in response ('messages' and 'message_links')
         messages = body['messages']
         self.assertIsInstance(messages, list)
         ids = [x['resource_id'] for x in messages]