diff --git a/CHANGES b/CHANGES
index 0b497a2b..c69fd113 100644
--- a/CHANGES
+++ b/CHANGES
@@ -9,6 +9,8 @@ Released on April 29 2018
 
 -   Repackage 0.12.3 to fix package layout issue. (`#2728`_)
 
+.. _#2728: https://github.com/pallets/flask/issues/2728
+
 
 Version 0.12.3
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