Fixing review comments

thanks Shannon for catching this!

Author: jmprieur

articles/active-directory/develop/scenario-web-app-call-api-acquire-token.md

@@ -158,6 +158,8 @@ def graphcall():
     return render_template('display.html', result=graph_data)
 ```
 
+---
+
 ## Next steps
 
 > [!div class="nextstepaction"]