fixing comment

Author: bhparijat

packages/auth/demo/src/index.js

@@ -2017,7 +2017,7 @@ function initApp() {
     onFinalizeSignInWithPhoneMultiFactor
   );
 
-  // Completes multi-factor sign-in with supplied SMS code.
+  // Completes multi-factor sign-in with supplied OTP(One-Time Password).
   $('#sign-in-with-totp-multi-factor').click(
     onFinalizeSignInWithTotpMultiFactor
   );