diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c731b1..5ffd2d6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [1.1.1] - 2024-09-30
+
+### Added
 - Implement variable length character strings (#94)
   - For example, `01 WS-VAR PIC X(10) VARYING.`
 
diff --git a/ReleaseNote.md b/ReleaseNote.md
index 04b83ff..0bcbfa4 100644
--- a/ReleaseNote.md
+++ b/ReleaseNote.md
@@ -1 +1,5 @@
-This is a sample release
\ No newline at end of file
+### Added
+
+- Implement variable length character strings (#94)
+  - For example, `01 WS-VAR PIC X(10) VARYING.`
+