improve comments in the script

Signed-off-by: Najam Ul Saqib <najamulsaqib@tutamail.com>

selenium/FillOTPInMFA.js

@@ -1,5 +1,8 @@
-// This script can be used to fill in the OTP if it appears right after the authentication.
-// This can only work for the apps who have fixed OTP in MFA
+/*
+This script will fill the OTP if MFA is configured on web-app. Browser-based auth is the pre-requisite for this script.
+You need to analyze DOM of the web app this script needs to run on and modify the parameters accordingly.
+This script assumes that the web app has fixed OTP for testing which can be stored in the variable below.
+ */
 
 function browserLaunched(utils) {
   var By = Java.type("org.openqa.selenium.By");
@@ -10,12 +13,7 @@ function browserLaunched(utils) {
 
   wd.get(url + "#/login");
   Thread.sleep(30000); //Wait for ZAP to handle the auth.
-  wd.findElement(By.id("one-time-code")).sendKeys(OTP);
-  wd.executeScript(
-    "document.querySelector('flt-glass-pane').shadowRoot.querySelector('flt-semantics-placeholder').click({force: true})"
-  ); //Used with Flutter apps only
+  wd.findElement(By.id("one-time-code")).sendKeys(OTP); //Replace the input field as per your web-app's DOM
   Thread.sleep(1000);
-  wd.executeScript(
-    "document.querySelector('[aria-label=\"Verify Code\"]').click()"
-  );
+  wd.executeScript("document.querySelector('[aria-label=\"Verify Code\"]').click()"); //Replace the submit label as per your web-app's DOM
 }