Apply suggestions from code review

Co-authored-by: Xianpeng Shen <xianpeng.shen@gmail.com>

Author: shenxianpeng

docs/index.md

@@ -143,7 +143,7 @@ title: C/C++ Linting
     <span>PyPI Monthly Downloads</span>
   </div>
   <div class="stat">
-    <img alt="GitHub Contributors" src="https://img.shields.io/github/contributors/cpp-linter/cpp-linter?style=for-the-badge&amp;logo=github&amp;color=6E5494&amp;label=Contributors" loading="lazy" />
+    <img alt="GitHub Contributors" src="https://img.shields.io/github/contributors/cpp-linter/cpp-linter-action?style=for-the-badge&amp;logo=github&amp;color=6E5494&amp;label=Contributors" loading="lazy" />
     <span>GitHub Contributors</span>
   </div>
 </div>