diff --git a/README.md b/README.md
index 9f70b2ec..2ffbc606 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ Then type:
 
 `cd CubeSatSim`
 
-`git checkout master`
+`git checkout universal`
 
 Create a sim.cfg configuration file with your amateur radio callsign by typing: