Update index.html

Author: JimsonChalissery

JavascriptWebAppSample/index.html

@@ -70,7 +70,7 @@
                     document.getElementById('username').textContent = 'Not signed in.';
                 }
             }
-            // Make an AJAX request to the VSTS REST API and print the response as JSON.
+            // Make an AJAX request to the Azure DevOps REST API and print the response as JSON.
             var getCurrentUserInfo = function (access_token) {
                 document.getElementById('api_response').textContent = 'Calling API...';
                 var xhr = new XMLHttpRequest();