local additions

tutos/git.txt

@@ -17,7 +17,7 @@
 **git branch** lists all a git project's branches
 **git branch branch_name** creates a new branch
 **git checkout branch_name** to switch from one branch to another
-**git checkout -b branch-name** create and switch to new branch
+**git checkout -b <branch-name>** create and switch to new branch
 **git log** shows a list of all previous commits
 **git log --summary** show more informations
 **git merge branch_name** join file changes from branch_name into current branch