Use better formulation

Co-authored-by: David Buchmann <[email protected]>

Author: jbtronics

deployment/proxies.rst

@@ -166,7 +166,7 @@ If you configure the reverse proxy in such a way that the Symfony application is
 mapped in a subpath / subfolder instead of the root path of the web host, you will need to
 pass the prefix to Symfony by setting the ``X-Forwarded-Prefix`` header.
 This is required for Symfony to generate the correct URLs. The header can normally be configured
-in your reverse proxy configuration. Be sure that ``X-Forwared-Prefix`` is configured as trusted header, if
+in your reverse proxy configuration. Configure ``X-Forwared-Prefix`` as trusted header to be able to use this feature.
 you want to use this feature.
 
 The ``X-Forwarded-Prefix`` is used by Symfony to prefix the base URL of request objects, which is