diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c2be5662ac22a03a9bd94b55855198eee8372e3..e3890924d111d5e183f060b4ea0e80928488de6e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,8 @@ Changes in and extensions of the theory:
 * [#] Add weakest preconditions for total program correctness.
 * [#] "(Potentially) stuck" weakest preconditions are no longer considered
   experimental.
+* [#] The adequacy statement for weakest preconditions now also involves the
+  final state.
 * [#] The Löb rule is now a derived rule; it follows from later-intro, later
   being contractive and the fact that we can take fixpoints of contractive
   functions.