diff --git a/docs/extend/extend-apiml/api-mediation-oidc-authentication.md b/docs/extend/extend-apiml/api-mediation-oidc-authentication.md
index 38dac47375..18b8653629 100644
--- a/docs/extend/extend-apiml/api-mediation-oidc-authentication.md
+++ b/docs/extend/extend-apiml/api-mediation-oidc-authentication.md
@@ -9,6 +9,10 @@ This configuration is useful in advanced deployments of Zowe where client applic
 
 This article details the API ML OIDC authentication functionality, and how to configure the OIDC Authentication feature.
 
+:::note
+The OIDC feature is currently unavailable on ACF2 systems.
+:::
+
 - [Usage](#usage)
 - [Authentication flow](#authentication-flow)
 - [Prerequisites](#prerequisites)