diff --git a/docs/content/reference/routing-configuration/http/middlewares/forwardauth.md b/docs/content/reference/routing-configuration/http/middlewares/forwardauth.md
index f5cd9131b..8394924a0 100644
--- a/docs/content/reference/routing-configuration/http/middlewares/forwardauth.md
+++ b/docs/content/reference/routing-configuration/http/middlewares/forwardauth.md
@@ -65,7 +65,7 @@ spec:
 | <a id="maxBodySize" href="#maxBodySize" title="#maxBodySize">`maxBodySize`</a> | Set the `maxBodySize` to limit the body size in bytes. If body is bigger than this, it returns a 401 (unauthorized). | -1 | No      |
 | <a id="headerField" href="#headerField" title="#headerField">`headerField`</a> | Defines a header field to store the authenticated user. | "" | No      |
 | <a id="preserveLocationHeader" href="#preserveLocationHeader" title="#preserveLocationHeader">`preserveLocationHeader`</a> | Defines whether to forward the Location header to the client as is or prefix it with the domain name of the authentication server. | false | No      |
-| <a id="PreserveRequestMethod" href="#PreserveRequestMethod" title="#PreserveRequestMethod">`PreserveRequestMethod`</a> | Defines whether to preserve the original request method while forwarding the request to the authentication server. | false | No      |
+| <a id="preserveRequestMethod" href="#preserveRequestMethod" title="#preserveRequestMethod">`preserveRequestMethod`</a> | Defines whether to preserve the original request method while forwarding the request to the authentication server. | false | No      |
 | <a id="tls-ca" href="#tls-ca" title="#tls-ca">`tls.ca`</a> | Sets the path to the certificate authority used for the secured connection to the authentication server, it defaults to the system bundle. | "" | No |
 | <a id="tls-cert" href="#tls-cert" title="#tls-cert">`tls.cert`</a> | Sets the path to the public certificate used for the secure connection to the authentication server. When using this option, setting the key option is required. | "" | No |
 | <a id="tls-key" href="#tls-key" title="#tls-key">`tls.key`</a> | Sets the path to the private key used for the secure connection to the authentication server. When using this option, setting the `cert` option is required. | "" | No |