diff --git a/controller_manager/doc/userdoc.rst b/controller_manager/doc/userdoc.rst
index 0d71cf5b7f..46781d461c 100644
--- a/controller_manager/doc/userdoc.rst
+++ b/controller_manager/doc/userdoc.rst
@@ -91,7 +91,7 @@ Handling Multiple Controller Managers
 
 When dealing with multiple controller managers, you have two options for managing different robot descriptions:
 
-1. **Using Namespaces:** You can place both the ``robot_state_publisher`` and the ``controller_manager`` nodes into the same namespace. 
+1. **Using Namespaces:** You can place both the ``robot_state_publisher`` and the ``controller_manager`` nodes into the same namespace.
 
 .. code-block:: python