diff --git a/book/git-setup.md b/book/git-setup.md
index 163c8f1..5838170 100644
--- a/book/git-setup.md
+++ b/book/git-setup.md
@@ -56,5 +56,12 @@ When we want to visit the MUDE repositories on GitLab, we need to log in. The sa
 
         Welcome to GitLab, <netid>!
 
-    
+## Updating the local Git environment
 
+The final step is to provide a username and email address to Git, so our commits can be identified. To do this, type in the following command for the username:
+
+    git config --global user.name "<first name> <last name>"
+
+And type the following command to set the email address:
+
+    git config --global user.email "<your TU Delft email>"
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