Update README.md

README.md

@@ -29,7 +29,7 @@ Open https://\[your-app-name\].azurewebsites.net/api/action in your browser and
 
 You could then check the logs and modify the code online at https://portal.azure.com.
 
-# Contributing
+## Contributing
 
 This project welcomes contributions and suggestions.  Most contributions require you to agree to a
 Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us