fix naming

Signed-off-by: Muhammad Zulfaqar Azmi <zulfaqar.azmi@tier4.jp>

Author: zulfaqar-azmi-t4

common/.pages

@@ -35,7 +35,7 @@ nav:
       - 'YOLOv2 Tiny Example': common/tvm_utility/tvm-utility-yolo-v2-tiny-tests
   - 'RVIZ2 Plugins':
     - 'autoware_auto_perception_rviz_plugin': common/autoware_auto_perception_rviz_plugin
-    - 'autoware_overlay_rviz_plugin: common/autoware_overlay_rviz_plugin/autoware_overlay_rviz_plugin
+    - 'autoware_overlay_rviz_plugin': common/autoware_overlay_rviz_plugin/autoware_overlay_rviz_plugin
     - 'autoware_mission_details_overlay_rviz_plugin': common/autoware_overlay_rviz_plugin/autoware_mission_details_overlay_rviz_plugin
     - 'bag_time_manager_rviz_plugin': common/bag_time_manager_rviz_plugin
     - 'polar_grid': common/polar_grid/Readme