diff --git a/ChangeLog.md b/ChangeLog.md
index 52c25d90..d73bd2de 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -5,7 +5,7 @@ XP Compiler ChangeLog
 
 * Changed PHP 8 attributes to be emitted in XP meta information without
   namespaces, and with their first characters lowercased. This way, code
-  using annotations will continue to work.
+  using annotations will continue to work, see xp-framework/rfc#336.
   (@thekid)
 
 ## 5.3.0 / 2020-09-12