diff --git a/controller_manager/doc/userdoc.rst b/controller_manager/doc/userdoc.rst
index 673c319842..66b19054f3 100644
--- a/controller_manager/doc/userdoc.rst
+++ b/controller_manager/doc/userdoc.rst
@@ -1,3 +1,5 @@
+:github_url: https://github.com/ros-controls/ros2_control/blob/|github_branch|/controller_manager/doc/userdoc.rst
+
 .. _controller_manager_userdoc:
 
 Controller Manager