diff --git a/changelog.md b/changelog.md
index 45d8a68..d8b8740 100644
--- a/changelog.md
+++ b/changelog.md
@@ -2,11 +2,15 @@
 
 ## v4.1.1
 
+### New
+
+- Deprecated `isValid` function in favor of `isValidWithFormat`
+
 ### Changed
 
 - Reset codecov coverage report using `c8` package
 - Updated unit tests for some more coverage
-- Cleaned up format a little
+- Cleaned up some round about logic in the codebase
 
 ## v4.1.0