diff --git a/CHANGES.txt b/CHANGES.txt
index ce60e256f6..31ebba7d63 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,9 @@
 unreleased
 ==========
 
+- Update HACKING.txt from stale branch that was never merged to master.
+  See https://github.com/Pylons/pyramid/pull/2785
+
 - Fix an inconsistency in the documentation between view predicates and
   route predicates and highlight the differences in their APIs.
   See https://github.com/Pylons/pyramid/pull/2765