diff --git a/draft-ietf-pce-pceps-tls13.md b/draft-ietf-pce-pceps-tls13.md
index 7f51edf..128c50d 100644
--- a/draft-ietf-pce-pceps-tls13.md
+++ b/draft-ietf-pce-pceps-tls13.md
@@ -150,8 +150,10 @@ and feedback that have made the implemented protocols more mature.
 It is up to the individual working groups to use this information as
 they see fit".
 
-At the time of posting the -02 version of this document, there are no
-known implementations of this mechanism.
+At the time of posting the -04 version of this document, there are no
+known implementations of this mechanism. It is believed that one
+vendor has implementation, but these plans are too vague to make
+any further assertions.
 
 
 --- back