diff --git a/.all-contributorsrc b/.all-contributorsrc
index 35ac5a8..c7d8ad1 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -107,6 +107,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "nakano16180",
+      "name": "nakano16180",
+      "avatar_url": "https://avatars.githubusercontent.com/u/36945685?v=4",
+      "profile": "https://github.com/nakano16180",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,
diff --git a/README.md b/README.md
index 2574a88..c29eb66 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # mycobot_ros
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-11-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-12-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 [![jaywcjlove/sb](https://jaywcjlove.github.io/sb/lang/chinese.svg)](https://www.elephantrobotics.com/docs/myCobot/3-development/4-ros&moveit/)
@@ -133,6 +133,7 @@ Thanks goes to these people ([Emoji Key](https://allcontributors.org/docs/en/emo
       <td align="center" valign="top" width="14.28%"><a href="https://profile.tiryoh.com"><img src="https://avatars.githubusercontent.com/u/3256629?v=4?s=100" width="100px;" alt="Daisuke Sato"/><br /><sub><b>Daisuke Sato</b></sub></a><br /><a href="https://github.com/elephantrobotics/mycobot_ros/commits?author=Tiryoh" title="Documentation">📖</a> <a href="https://github.com/elephantrobotics/mycobot_ros/commits?author=Tiryoh" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://www.eacousineau.com/"><img src="https://avatars.githubusercontent.com/u/2806276?v=4?s=100" width="100px;" alt="Eric Cousineau"/><br /><sub><b>Eric Cousineau</b></sub></a><br /><a href="https://github.com/elephantrobotics/mycobot_ros/commits?author=eacousineau" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/thandal"><img src="https://avatars.githubusercontent.com/u/2613832?v=4?s=100" width="100px;" alt="thandal"/><br /><sub><b>thandal</b></sub></a><br /><a href="https://github.com/elephantrobotics/mycobot_ros/commits?author=thandal" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/nakano16180"><img src="https://avatars.githubusercontent.com/u/36945685?v=4?s=100" width="100px;" alt="nakano16180"/><br /><sub><b>nakano16180</b></sub></a><br /><a href="https://github.com/elephantrobotics/mycobot_ros/commits?author=nakano16180" title="Documentation">📖</a></td>
     </tr>
   </tbody>
 </table>