diff --git a/config-example b/config-example
index 7592e85..83c83b4 100755
--- a/config-example
+++ b/config-example
@@ -10,11 +10,13 @@ export db_root_pass=''
 export wp_db_name=''
 export wp_db_user=''
 
-# if version not set, latest is used
+export php_version=''
 
+# set one of
 export mariadb_version=''
 export mysql_version=''
-export php_version=''
+
+# set one of
 export apache2_version=''
 export nginx_version=''
 export lightspeed_version=''