How to write a wrong cover letter for a British visa?

If the cover letter in the UK visa application is incorrect, you can take the following steps:

1. Rewrite a correct cover letter to ensure that the document meets the requirements of the UK visa application.

2. In the new cover letter, explain the reasons for the wrong filling, and explain that the correct cover letter has been re-filled.

3. Check all the materials carefully to ensure that the information filled in is accurate and meets all the rules and requirements of the UK visa application.

If you need more help, you can consult the British visa center or relevant institutions, and they will provide more detailed guidance.