diff --git a/README.md b/README.md
index 0e6e764..39ded51 100644
--- a/README.md
+++ b/README.md
@@ -64,8 +64,20 @@ Class01 : int gorilla
 Class08 <--> C2: Cool label
 ```
 
-
-
+# Git graph
+
+```mermaid
+    gitGraph
+       commit
+       commit
+       branch develop
+       commit
+       commit
+       commit
+       checkout main
+       commit
+       commit
+```