diff --git a/README.md b/README.md
index 06657cd..3bab318 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ _See the README file in the main branch for updated instructions and information
 This repository has branches for each of the videos in the course. You can use the branch pop up menu in github to switch to a specific branch and take a look at the course at that stage, or you can add `/tree/BRANCH_NAME` to the URL to go to the branch you want to access.
 
 ## Branches
-The branches are structured to correspond to the videos in the course. The naming convention is `CHAPTER#_MOVIE#`. As an example, the branch named `02_03` corresponds to the second chapter and the third video in that chapter.
+The branches are structured to correspond to the videos in the course. The naming convention is `CHAPTER#_MOVIE#`. As an example, the branch named `01_03` corresponds to the first chapter and the third video in that chapter.
 
 When switching from one exercise files branch to the next after making changes to the files, you may get a message like this: