Add a changelog for #314.
diff --git a/CHANGES b/CHANGES
index 01203dd..00f1746 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,6 +6,9 @@
 Unreleased
 ----------
 
+- Pull request #388: Remove `URLopener` and `FancyURLopener` classes from
+  `urllib.request` when running on Python 3.14 or greater.
+
 - Pull request #365, issue #283: `six.moves.UserDict` now points to
   `UserDict.IterableUserDict` instead of `UserDict.UserDict` on Python 2.