[Cache] Update purge-by-single-file.mdx (#20591)

* [Cache] Update purge-by-single-file.mdx

To avoid confusion as this documentation is not about using Workers to purge, but how to purge assets cached by Workers.

* Update src/content/docs/cache/how-to/purge-cache/purge-by-single-file.mdx

Co-authored-by: hyperlint-ai[bot] <154288675+hyperlint-ai[bot]@users.noreply.github.com>

---------

Co-authored-by: Kody Jackson <[email protected]>
Co-authored-by: hyperlint-ai[bot] <154288675+hyperlint-ai[bot]@users.noreply.github.com>

Author: 3 people

src/content/docs/cache/how-to/purge-cache/purge-by-single-file.mdx

@@ -37,7 +37,7 @@ Always use UTF-8 encoded URLs for single-file cache purges. Wildcards are not su
 8. Select **Purge**.
 
 :::note
-For information on how to use single-file purge to purge assets cached by a Workers fetch, refer to [Using Workers to purge](/workers/reference/how-the-cache-works/#single-file-purge-assets-cached-by-a-worker).
+For information on how to use single-file purge to purge assets cached by a Workers fetch, refer to [Single file purge assets cached by a Worker](/workers/reference/how-the-cache-works/#single-file-purge-assets-cached-by-a-worker).
 :::
 
 :::caution