--- a/mod_auth_oauth_external/README.md	Sat Apr 15 10:41:47 2023 +0200
+++ b/mod_auth_oauth_external/README.md	Sat Apr 15 10:46:04 2023 +0200
@@ -46,7 +46,8 @@
 
 `oauth_external_resource_owner_password`
 :   Boolean. Defaults to `true`. Whether to allow the *insecure*
-    resource owner password grant and SASL PLAIN.
+    [resource owner password
+    grant](https://oauth.net/2/grant-types/password/) and SASL PLAIN.
 
 `oauth_external_token_endpoint`
 :   URL string. OAuth 2 [Token