diff --git a/CHANGELOG.md b/CHANGELOG.md
index 84e35d4..00b386e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ All notable changes to **ValueStringBuilder** will be documented in this file. T
 
 ## [Unreleased]
 
+### Added
+
+- New `AppendFormat` functions (with 1 to 3 arguments).
+
 ## [1.10.6] - 2022-12-30
 
 ### Changed