diff --git a/example_7/doc/userdoc.rst b/example_7/doc/userdoc.rst
index 480e78f5..46ad59c2 100644
--- a/example_7/doc/userdoc.rst
+++ b/example_7/doc/userdoc.rst
@@ -379,7 +379,7 @@ The ``on_init`` method is called immediately after the controller plugin is dyna
 
 .. code-block:: c++
 
-  using CallbackReturn = rclcpp_lifecycle::node_interfaces::LifecycleNodeInterface::CallbackReturn;[]()
+  using CallbackReturn = rclcpp_lifecycle::node_interfaces::LifecycleNodeInterface::CallbackReturn;
 
   controller_interface::CallbackReturn on_init(){
       // declare and get parameters needed for controller initialization