clarify comments

ui/app/components/auth/login-form.js

@@ -62,17 +62,19 @@ export default class AuthLoginFormComponent extends Component {
       }
 
       /*
-      Checking for an mfa_requirement happens in two different places depending which <form> is submitted:
+      Checking for an mfa_requirement happens in two places.
       Login methods submitted using a child of <AuthForm> have custom auth logic where mfa_requirements are collected, if any. 
-      This mfa data is passed to their respective onSubmit callback functions and is eventually handled here.
-      
-      If doSubmit in <AuthForm> is called directly (by the "default" <form> component) mfa is handled the parent <Auth::Page> component.
+      This mfa data is passed to their respective onSubmit callback functions, then intercepted here and passed up to 
+      the parent <Auth::Page> component (which renders the Mfa::MfaForm).
+
+      If doSubmit in <AuthForm> is called directly (by the "default" <form> component) 
+      mfa is handled directly by the parent <Auth::Page> component.
       */
       if (data?.mfa_requirement) {
-        const mfa_requirement = this.auth._parseMfaResponse(data.mfa_requirement);
-        // calls onAuthResponse in auth/page.js
-        this.args.onSuccess(mfa_requirement, backendType, data);
-        // return here because mfa-form.js will finish login flow after mfa validation
+        const parsedMfaAuthResponse = this.auth._parseMfaResponse(data.mfa_requirement);
+        // calls onAuthResponse in parent auth/page.js component
+        this.args.onSuccess(parsedMfaAuthResponse, backendType, data);
+        // return here because mfa-form.js will finish login/authentication flow after mfa validation
         return;
       }
 

ui/app/components/auth/page.js

@@ -52,11 +52,11 @@ export default class AuthPage extends Component {
   onAuthResponse(authResponse, backend, data) {
     const { mfa_requirement } = authResponse;
     /*
-    Checking for an mfa_requirement happens in two different places depending on which <form> is submitted:
-    If doSubmit in <AuthForm> is called directly (by the <form> component) mfa is handled here.
+    Checking for an mfa_requirement happens in two places.
+    If doSubmit in <AuthForm> is called directly (by the <form> component) mfa is just handled here.
   
-    Login methods submitted using a child form component of <AuthForm> are checked for mfa 
-    in the Auth::LoginForm "authenticate" task
+    Login methods submitted using a child form component of <AuthForm> are first checked for mfa 
+    in the Auth::LoginForm "authenticate" task, and then that data eventually bubbles up here.
     */
     if (mfa_requirement) {
       // if an mfa requirement exists further action is required