diff --git a/include/realtime_tools/realtime_box_best_effort.h b/include/realtime_tools/realtime_box_best_effort.h
index 5a8c7c29..fae1c3c9 100644
--- a/include/realtime_tools/realtime_box_best_effort.h
+++ b/include/realtime_tools/realtime_box_best_effort.h
@@ -229,4 +229,4 @@ class RealtimeBoxBestEffort
 };
 }  // namespace realtime_tools
 
-#endif  //REALTIME_TOOLS__REALTIME_BOX_BEST_EFFORT_H_
+#endif  // REALTIME_TOOLS__REALTIME_BOX_BEST_EFFORT_H_