diff --git a/notes/environment-set-up.md b/notes/environment-set-up.md
index 99d8e83..8450f9d 100644
--- a/notes/environment-set-up.md
+++ b/notes/environment-set-up.md
@@ -246,7 +246,7 @@ This will change the code in the working directory to the current state of the c
 You should make sure you are on the first lab branch now by running:
 
 ```
-git checkout mlp2017-8/lab1
+git checkout mlp2018-9/lab1
 ```
 
 ## Installing the `mlp` Python package