Minor.
diff --git a/ChangeLog b/ChangeLog
index 40b09b9..99c64a2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,6 @@
2017-11-23 Tor Andersson <tor.andersson@artifex.com>
- Silence unused function warnings.
+ Silence unused function warnings (#52465).
Some static function declarations cause unused function warnings if
certain config options are turned off via `ftoption.h'.