diff --git a/CHANGELOG.md b/CHANGELOG.md
index abe44f4b5a..6b67db0fab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ that files are binaries.
 
 ### Diffing
 
+Fixed an issue where hidden files (filename starting with `.`) were
+ignored when diffing directories.
+
 Scheme now uses the same slider heuristics as other lisps, preferring
 the outer delimiter.