fix doxygen syntax for NodeInterfaces (#2428)

Signed-off-by: Jonas Otto <[email protected]>
ros2 · Feb 20, 2024 · 1981e1f · 1981e1f
1 parent 10252e9
commit 1981e1f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/rclcpp/include/rclcpp/node_interfaces/node_interfaces.hpp b/rclcpp/include/rclcpp/node_interfaces/node_interfaces.hpp
@@ -127,7 +127,9 @@ class NodeInterfaces
    * the RCLCPP_NODE_INTERFACE_HELPERS_SUPPORT macro.
    *
    * Usage example:
-   *   ```RCLCPP_NODE_INTERFACE_HELPERS_SUPPORT(rclcpp::node_interfaces::NodeBaseInterface, base)```
+   *   ```cpp
+   *   RCLCPP_NODE_INTERFACE_HELPERS_SUPPORT(rclcpp::node_interfaces::NodeBaseInterface, base)
+   *   ```
    *
    * If you choose not to use the helper macro, then you can specialize the
    * template yourself, but you must: