diff --git a/part-3-installation.md b/part-3-installation.md
index 15ffcac5f494421a0cf5103a1b4d05ce5b0074e4..c5d17b124c27e2f099e5f4f300a70e3cb3286548 100644
--- a/part-3-installation.md
+++ b/part-3-installation.md
@@ -1,4 +1,4 @@
-# Installation
+## Installation
 
 <img src="img/github_app.png" class="as-is" height="300" />
 
@@ -22,4 +22,4 @@ $ git config -l
 ```shell
 $ git --version
 # git version 1.8.5
-```
\ No newline at end of file
+```
diff --git a/part-4-first-repo.md b/part-4-first-repo.md
index e9862a1942742f62e087d900f004de8306d4fea1..6b26b7e396d292dfee116aab94a1df4dd27ece02 100644
--- a/part-4-first-repo.md
+++ b/part-4-first-repo.md
@@ -1,7 +1,5 @@
 ## The 5 commands
 
-## Mon premier dépôt
-
 ```shell
 $ git init
 $ git status
diff --git a/part-8-thanks.md b/part-8-thanks.md
index 17d70d275b20c47c05b4d838d02518ebed263d27..61a252108516d0e53b8fa686d9ccdec7463e6b5e 100644
--- a/part-8-thanks.md
+++ b/part-8-thanks.md
@@ -1,5 +1,3 @@
-# Merci!
-
 ### Laurent Heirendt
 
 ![](https://avatars0.githubusercontent.com/u/20812112?v=3&s=180)