diff --git a/protocol/usb_hid/README b/protocol/usb_hid/README
old mode 100755
new mode 100644
index 1357a4c7..0d2efc2a
--- a/protocol/usb_hid/README
+++ b/protocol/usb_hid/README
@@ -25,7 +25,8 @@ You can see HID keyboard reports on debug output.
 
 Restriction and Bug
 -------------------
-Not statble yet.
+Not supported/confirmed yet.
+    Hub, suspend, keyboard LED
 
 Switching power on VBUS:
     To power reset device.