diff --git a/README.fast b/README.fast
index 7173cb155..d0cd5121d 100644
--- a/README.fast
+++ b/README.fast
@@ -2,6 +2,7 @@
 -- in order of preference
 
 - client: plugin support for fast plugins
+	note GSS-API can be used as PA plugin interface
 
 - kdc: plugin support for fast plugins
 	partly done with "struct kdc_patypes"