Update Contributing to the Documentation.rst

Documentation/source/Readme/Contributing to the Documentation.rst

 Documentation Contribution
 ##########################
+
 .. contents::
-   :maxdepth: 1
+    :local:
+    :depth: 1
+    
 You are welcome to make contributions to documentation. You can offer your feedback and contributions in various ways. You can evaluate available documents, make simple modifications, provide feedback on document quality, and contribute your original content.
 
 Excellent contributors will be awarded and the contributions will be publicized in the developer community.