Updated Run JavaScript before change detection (markdown)

Run-JavaScript-before-change-detection.md

@@ -1,4 +1,10 @@
-You can run JavaScript _before_ performing change detection and filters/triggers, this is handy for filling in fields, clicking buttons and other actions
+You can run JavaScript _before_ performing change detection and filters/triggers.
+
+If you need to fill in fields, click boxes, accept cookies etc, please use the **Browser Steps** interface tab
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+
+
+
 
 Under `Watch Settings` > `Request` > `Execute JavaScript before change detection`