fix changelog
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 796f6c6..9cfc509 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 ## 0.10.9
 
-* Add `Int64.toStringUnsigned()` method.
+* Add `Int64.toStringUnsigned()` and `Int64.toRadixStringUnsigned()` functions.
 
 ## 0.10.8