diff --git a/.all-contributorsrc b/.all-contributorsrc
index 0836d4cec..e2f17ce3b 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -2759,7 +2759,8 @@
       "avatar_url": "https://avatars.githubusercontent.com/u/141746282?v=4",
       "profile": "https://github.com/jnniu-n",
       "contributions": [
-        "translation"
+        "translation",
+        "doc"
       ]
     },
     {
diff --git a/README.md b/README.md
index f97fe9181..0a120b74a 100644
--- a/README.md
+++ b/README.md
@@ -464,7 +464,7 @@ This project is licensed under the terms of the MIT license.
     </tr>
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="http://www.linkedin.com/in/yenniferh"><img src="https://avatars.githubusercontent.com/u/19285706?v=4?s=100" width="100px;" alt="Yennifer Herrera"/><br /><sub><b>Yennifer Herrera</b></sub></a><br /><a href="#translation-Yenniferh" title="Translation">🌍</a> <a href="https://github.com/iluwatar/java-design-patterns/pulls?q=is%3Apr+reviewed-by%3AYenniferh" title="Reviewed Pull Requests">👀</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/jnniu-n"><img src="https://avatars.githubusercontent.com/u/141746282?v=4?s=100" width="100px;" alt="jnniu-n"/><br /><sub><b>jnniu-n</b></sub></a><br /><a href="#translation-jnniu-n" title="Translation">🌍</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/jnniu-n"><img src="https://avatars.githubusercontent.com/u/141746282?v=4?s=100" width="100px;" alt="jnniu-n"/><br /><sub><b>jnniu-n</b></sub></a><br /><a href="#translation-jnniu-n" title="Translation">🌍</a> <a href="https://github.com/iluwatar/java-design-patterns/commits?author=jnniu-n" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/miguel-is-coding"><img src="https://avatars.githubusercontent.com/u/48435117?v=4?s=100" width="100px;" alt="Miguel Angel Perez Garcia"/><br /><sub><b>Miguel Angel Perez Garcia</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/pulls?q=is%3Apr+reviewed-by%3Amiguel-is-coding" title="Reviewed Pull Requests">👀</a> <a href="#translation-miguel-is-coding" title="Translation">🌍</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/SuwanSankaja"><img src="https://avatars.githubusercontent.com/u/86839778?v=4?s=100" width="100px;" alt="Suwan Sankaja"/><br /><sub><b>Suwan Sankaja</b></sub></a><br /><a href="#translation-SuwanSankaja" title="Translation">🌍</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/Iamalok007"><img src="https://avatars.githubusercontent.com/u/97467835?v=4?s=100" width="100px;" alt="alok"/><br /><sub><b>alok</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=Iamalok007" title="Documentation">📖</a></td>