diff --git a/README.md b/README.md
index f5be99cce7e9d5ad943be41e4203153abcae1acf..d8779b6d04419534f98efedd54219c859a225d4d 100644
--- a/README.md
+++ b/README.md
@@ -30,11 +30,14 @@ control options:
     wifi:  
         accespoint function for control [raspberry wlan ap traincam]   
 
+preview options:
+    
+    wifi stream:
 
 other options:
 
-        storage: usb  
-            usbmount still does not work, have to compile, see https://www.raspberrypi.org/forums/viewtopic.php?t=192291#p1280234   
+    storage: usb  
+        usbmount still does not work, have to compile, see https://www.raspberrypi.org/forums/viewtopic.php?t=192291#p1280234