diff --git a/planning/autoware_objects_of_interest_marker_interface/README.md b/planning/autoware_objects_of_interest_marker_interface/README.md
index 9260ac0173..e85c756a03 100644
--- a/planning/autoware_objects_of_interest_marker_interface/README.md
+++ b/planning/autoware_objects_of_interest_marker_interface/README.md
@@ -2,23 +2,24 @@
 
 ## Overview
 
-`autoware_objects_of_interest_marker_interface` is a collection of object visualization function packages. 
+`autoware_objects_of_interest_marker_interface` is a collection of object visualization function packages.
 
 ## Design
 
 This package implement a library to manage and visualize the object information by construct and publish it as marker array to rviz.
 
 For a object to be visualizaed, it has three import characteristics.
+
 - pose the position of the object
 - shape the shape of the Bounding box of the object
 - color the color of the Bounding box of the object
 
-
-
 ## Usage
 
 ### init
+
 include the header file to use then init the library
+
 ```cpp
 #include <autoware/objects_of_interest_marker_interface/objects_of_interest_marker_interface.hpp>
 
@@ -27,7 +28,9 @@ autoware::objects_of_interest_marker_interface::ObjectsOfInterestMarkerInterface
 ```
 
 ### insert
+
 insert object information to the 'objects_of_interest_marker_interface' manager
+
 ```cpp
 using autoware::objects_of_interest_marker_interface::ColorName;
 objects_of_interest_marker_interface_.insertObjectData(
@@ -35,7 +38,9 @@ objects_of_interest_marker_interface_.insertObjectData(
 ```
 
 ### pubish
+
 pubish object information to the rviz to visualize
+
 ```cpp
 objects_of_interest_marker_interface_.publishMarkerArray();
-```
\ No newline at end of file
+```