diff --git a/RELNOTES b/RELNOTES
index b5817c4b..4b7ccc0e 100644
--- a/RELNOTES
+++ b/RELNOTES
@@ -1045,7 +1045,8 @@ by Eric Young (eay@cryptsoft.com).
   OS systems when using -1 or large values for default-lease-time.  Rollover
   values will be replaced with 0x7FFFFFFF - 1.  This alleviates unintentionally
   short expiration times being handed out when infinite lease times (-1) in
-  conjuction with failover.
+  conjuction with failover.  Our thanks to Alessandro Gherardi for bringing
+  the issue to our attention.
   [ISC-Bugs #41976]
 
 			Changes since 4.2.0 (new features)