diff --git a/mistral/actions/std_actions.py b/mistral/actions/std_actions.py
index 4002717dc..da72576e5 100644
--- a/mistral/actions/std_actions.py
+++ b/mistral/actions/std_actions.py
@@ -110,7 +110,7 @@ class FailAction(actions.Action):
 
 
 class HTTPAction(actions.Action):
-    """Constructs an HTTP action.
+    """HTTP action.
 
     :param url: URL for the new HTTP request.
     :param method: (optional, 'GET' by default) method for the new HTTP
diff --git a/mistral/rpc/clients.py b/mistral/rpc/clients.py
index 63a5f347e..cb831a924 100644
--- a/mistral/rpc/clients.py
+++ b/mistral/rpc/clients.py
@@ -168,8 +168,8 @@ class EngineClient(eng.Engine):
         """Conveys action result to Mistral Engine.
 
         This method should be used by clients of Mistral Engine to update
-        state of an action execution once action has executed. One of the
-        clients of this method is Mistral REST API server that receives
+        the state of an action execution once action has executed. One of
+        the clients of this method is Mistral REST API server that receives
         action result from the outside action handlers.
 
         Note: calling this method serves an event notifying Mistral that
@@ -204,7 +204,7 @@ class EngineClient(eng.Engine):
         """Conveys update of action state to Mistral Engine.
 
         This method should be used by clients of Mistral Engine to update
-        state of an action execution once action has executed.
+        the state of an action execution once action has executed.
 
         Note: calling this method serves an event notifying Mistral that it
         may need to change the state of the parent task and workflow. Use
diff --git a/mistral/tests/unit/services/test_action_manager.py b/mistral/tests/unit/services/test_action_manager.py
index bda0ff343..2996df933 100644
--- a/mistral/tests/unit/services/test_action_manager.py
+++ b/mistral/tests/unit/services/test_action_manager.py
@@ -41,7 +41,7 @@ class ActionManagerTest(base.DbTestCase):
         std_http = db_api.get_action_definition("std.http")
         std_echo = db_api.get_action_definition("std.echo")
 
-        self.assertIn("Constructs an HTTP action", std_http.description)
+        self.assertIn("HTTP action", std_http.description)
         self.assertIn("param body: (optional) Dictionary, bytes",
                       std_http.description)