Update Login.md

Author: Carl95

Frontend/Login.md

@@ -44,11 +44,11 @@ function checkForLogin() {
 
 function login() {
   //optional -> prevents site reload
-  chayns.setAccessTokenChange(true, (envData) function {   
+  chayns.setAccessTokenChange(true, function() {   
     console.log('login successful');        
   });
 
   //reloads tapp after login
   chayns.login(['login=true']);
  }
- ```
+ ```