diff --git a/README.md b/README.md
index 8423ed4b..9764b3d1 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ To get the software follow these steps:
 
 `cd CubeSatSim`
 
-`git checkout beta`
+`git checkout master`
 
 `# You are now ready to install the software using this script in the CubeSatSim directory:`