diff --git a/doc/Changelog b/doc/Changelog
index 759c1ec7f..c0e59fa3f 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,7 +1,7 @@
 4 June 2018: Wouter
 	- Fix deadlock caused by incoming notify for auth-zone.
 	- tag for 1.7.2rc1
-	- Fix stub reprime when it becomes useless.
+	- #4100: Fix stub reprime when it becomes useless.
 
 1 June 2018: Wouter
 	- Rename additional-tls-port to tls-additional-ports.