Fix comment

Author: Avery-Dunn

msal4j-sdk/src/main/java/com/microsoft/aad/msal4j/AcquireTokenByAuthorizationGrantSupplier.java

@@ -75,7 +75,7 @@ private boolean IsUiRequiredCacheSupported() {
 
     private void processPasswordGrant(OAuthAuthorizationGrant authGrant) throws Exception {
 
-        //Additional processing is only needed if it's a password grant with a non-AAD authority
+        //Additional processing is only needed if it's a password grant with an AAD authority
         if (!(authGrant.getParamValue(GrantConstants.GRANT_TYPE_PARAMETER).equals(GrantConstants.PASSWORD))
                 || msalRequest.application().authenticationAuthority.authorityType != AuthorityType.AAD) {
             return;