Correct the fault story
Open a follow-up request with the earlier reference and identify the detail to change. For removal, say so clearly and use the same contact email so the record can be located and verified.
An arranged visit is a separate matter
If you have independently agreed work with a service provider, contact that provider to discuss changes, cancellation or a complaint. Keeping the written scope and charges will help the conversation.
Report an editorial issue
Give the affected page and explain the factual problem. This page does not restrict any remedy available under Australian Consumer Law; the ACCC consumer information provides an official starting point.