minor #19733 fix: typo in reverse proxy docs (Bramw2003)

This PR was merged into the 7.0 branch.

Discussion
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fix: typo in reverse proxy docs

There was a typo in one of the `X-Forwarded-Prefix` mentions.
Exactly the one I copied so was stuck on the header not working 😅

Commits
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5abfb8e fix: typo in proxy docs

Author: OskarStark

deployment/proxies.rst

@@ -156,7 +156,7 @@ subpath/subfolder of the reverse proxy.
 To fix this, you need to pass the subpath/subfolder route prefix of the reverse
 proxy to Symfony by setting the ``X-Forwarded-Prefix`` header. The header can
 normally be configured in your reverse proxy configuration. Configure
-``X-Forwared-Prefix`` as trusted header to be able to use this feature.
+``X-Forwarded-Prefix`` as trusted header to be able to use this feature.
 
 The ``X-Forwarded-Prefix`` is used by Symfony to prefix the base URL of request
 objects, which is used to generate absolute paths and URLs in Symfony applications.