diff --git a/release_note_en.md b/release_note_en.md
index f15f8b5..7b1239a 100644
--- a/release_note_en.md
+++ b/release_note_en.md
@@ -1,3 +1,6 @@
+- Rename system variables (**Breaking changes**)
+    - `$MATCH` → `MATCH`
+
 v0.3.0
 =======
 Dec.5, 2024
diff --git a/release_note_ja.md b/release_note_ja.md
index fd5b85f..9d2c6bc 100644
--- a/release_note_ja.md
+++ b/release_note_ja.md
@@ -1,3 +1,6 @@
+- システム変数名を変更 (**Breaking changes**)
+    - `$MATCH` → `MATCH`
+
 v0.3.0
 =======
 Dec.5, 2024