diff --git a/changelog.md b/changelog.md
index bf32e9f..0b9acfa 100644
--- a/changelog.md
+++ b/changelog.md
@@ -17,5 +17,6 @@
 
 - Issues related to closing window.
   - history update on last window close when confirm close disabled.
+- Some internal links in epub does not work.
 
 ---