diff --git a/CHANGELOG.md b/CHANGELOG.md
index d89e0f3..6a6ae41 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # SequenceDiagram Changelog
 
 ## [Unreleased]
+## [2.2.0]
 ### Changed
 - Change sdt to line break schema 
 - Refactoring add formatter package for PlantUML, Mermaid format.
@@ -10,6 +11,9 @@
 - Issue #95
 - fix isRecursive always false issue.
 - SVG canvas size issue.
+- SVG `λ→` show incorrectly. 
+- Issue #129
+- Issue #130
 
 ## [2.1.10]
 ### Added
diff --git a/README.md b/README.md
index 3914ad9..85631f7 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ public class Lambda {
     }
 }
 ```
-I draw a dummy `λ→` self call in diagram.
+I draw a dummy `() ->` self call in diagram.
 
 ![Lambda Expression](imges/lambda_expr.png)