--- a/mod_http_oauth2/README.markdown	Wed Oct 25 17:18:50 2023 +0200
+++ b/mod_http_oauth2/README.markdown	Thu May 25 09:31:21 2023 +0200
@@ -51,6 +51,7 @@
 - [RFC 7591: OAuth 2.0 Dynamic Client Registration](https://www.rfc-editor.org/rfc/rfc7591.html)
 - [RFC 7628: A Set of Simple Authentication and Security Layer (SASL) Mechanisms for OAuth](https://www.rfc-editor.org/rfc/rfc7628)
 - [RFC 7636: Proof Key for Code Exchange by OAuth Public Clients](https://www.rfc-editor.org/rfc/rfc7636)
+- [RFC 7662: OAuth 2.0 Token Introspection](https://www.rfc-editor.org/rfc/rfc7662)
 - [RFC 8628: OAuth 2.0 Device Authorization Grant](https://www.rfc-editor.org/rfc/rfc8628)
 - [RFC 9207: OAuth 2.0 Authorization Server Issuer Identification](https://www.rfc-editor.org/rfc/rfc9207.html)
 - [OpenID Connect Core 1.0](https://openid.net/specs/openid-connect-core-1_0.html)