Update .CONTRIBUTING/.CONTRIBUTING.md

Co-authored-by: Bruno Galvao <[email protected]>

Author: todortodorovic

.CONTRIBUTING/.CONTRIBUTING.md

@@ -100,7 +100,7 @@ When a contributor chooses Option B (or becomes unresponsive) and does not have
 3. **Complete Formatting Review**: Perform style and formatting reviews on the intermediary branch
 4. **Final Merge**: Merge the completed intermediary branch into master
 
-## Viewing Site Locally
+## Run Polkadot Docs Locally
 
 You may want to spin up a local version of the documentation site to preview your changes. This guide will cover the steps needed to serve a local version.