diff --git a/CHANGES b/CHANGES
index fb8374e3e0c..5155041f606 100644
--- a/CHANGES
+++ b/CHANGES
@@ -12,6 +12,9 @@ Deprecated
 
 Features added
 --------------
+ 
+* #9800: extlinks: Emit warning if a hardcoded link is replaceable
+  by an extlink, suggesting a replacement.
 
 Bugs fixed
 ----------