diff --git a/Misc/ACKS b/Misc/ACKS
index 822a523..736887d 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1042,6 +1042,7 @@
 Stephen Turner
 Theodore Turocy
 Bill Tutt
+Fraser Tweedale
 Doobee R. Tzeck
 Eren Türkay
 Lionel Ulmer
diff --git a/Misc/NEWS b/Misc/NEWS
index af3a94b..e5432b6 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -142,6 +142,9 @@
 Tests
 -----
 
+- Issue #18357: add tests for dictview set difference.
+  Patch by Fraser Tweedale.
+
 - Issue #11185: Fix test_wait4 under AIX.  Patch by Sébastien Sablé.
 
 - Issue #18094: test_uuid no more reports skipped tests as passed.