diff --git a/launch_ros/launch_ros/actions/push_ros_namespace.py b/launch_ros/launch_ros/actions/push_ros_namespace.py
index 26a10ee2..7467d1db 100644
--- a/launch_ros/launch_ros/actions/push_ros_namespace.py
+++ b/launch_ros/launch_ros/actions/push_ros_namespace.py
@@ -39,7 +39,7 @@ class PushRosNamespace(Action):
     Action that pushes the ros namespace.
 
     It's automatically popped when used inside a scoped `GroupAction`.
-    There's not other way of popping it.
+    There's no other way of popping it.
     """
 
     def __init__(