diff --git a/doc/Changelog b/doc/Changelog
index 5a5f06eb6..34ed20378 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,3 +1,7 @@
+26 January 2022: George
+	- Fix #599: [FR] RFC 9156 (obsoletes RFC 7816), by noting the new RFC
+	  document.
+
 26 January 2022: Wouter
 	- Test for NSID in SERVFAIL response due to DNSSEC bogus.
 
diff --git a/iterator/iterator.h b/iterator/iterator.h
index a9e58569f..f09506f2e 100644
--- a/iterator/iterator.h
+++ b/iterator/iterator.h
@@ -379,7 +379,7 @@ struct iter_qstate {
 	/** list of pending queries to authoritative servers. */
 	struct outbound_list outlist;
 
-	/** QNAME minimisation state, RFC7816 */
+	/** QNAME minimisation state, RFC9156 */
 	enum minimisation_state minimisation_state;
 
 	/** State for capsfail: QNAME minimisation state for comparisons. */