RST File is tagging someone when using @ character in a code block

Summary

If you're rendering an .rst file with "reStructuredText" syntax mode, and you want to just print a code block with the "@" character sign, it will tag someone else's account.

Steps to reproduce:
From:

To:

Expected Result

Preview will just marked the string as code block and not tagging someone

Actual Result

The code block is tagging someone else's account