diff --git a/README.md b/README.md
index c5a3113..e780847 100644
--- a/README.md
+++ b/README.md
@@ -154,7 +154,7 @@ Now that your server is configured, we will configure how pfSense will be compil
 cd /root
 git clone https://github.com/{your username}/pfsense.git
 cd pfsense
-git checkout ${pfSense_gui_branch}
+git checkout RELENG_2_5_0 # Replace by the branch of pfSense GUI to build.
 
 # PKG signing key
 rm src/usr/local/share/${product_name}/keys/pkg/trusted/*