diff --git a/docs/usage.rst b/docs/usage.rst
index df465c4fb60bba6f82edafa034793326fcb5ee17..ee504e37cbe914abe0810c154284db027027163e 100644
--- a/docs/usage.rst
+++ b/docs/usage.rst
@@ -1814,8 +1814,10 @@ on the safe side:
 * If you ever need to set some environment variables, this can easily be done
   via the ``environment_variables`` role parameter. This particular example does
   not set any, though.
-* You can also specify headers to be passed on via Nginx ``proxy_set_header``
-  directive to Gunicorn running the application.
+* You can also specify headers to be modified in incoming client
+  request before it gets passed on to the WSGI application using the
+  ``http_header_overrides`` parameter.  directive to Gunicorn running
+  the application.
 * Mails deliverd to local admin/application users are forwarded to ``root``
   account instead (this can be configured via ``website_mail_recipients`` role
   parameter.