Hello @HarfordDCS ,
The landing page form link at the top of an email's webpage version, is a legacy functionality that's connected to your account's default legacy landing page form. To edit this form, go to your Sign-up forms tab, select the three dots menu in the top-right corner, select Legacy landing pages, and edit the one called "Sign-Up Form."
For additional info, voting, and voicing of use cases to manage this bar in emails' webpage versions, please see this Feedback thread.
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