diff --git a/journal/logbook.md b/journal/logbook.md
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+++ b/journal/logbook.md
@@ -31,6 +31,9 @@ and completed several quizzes relsted to th each thematique of this Module.
     - `8767d70c`: Commit message
     - ...........
 
+- 2.3: commit graph
+    ![Commit Graph](commit_graph.jpg)
+
 ### What I learned during Mission 2:
 
 - How to write and edit Markdown file