diff --git a/opt/wms_toggle.sh b/opt/wms_toggle.sh
index 584ee60..a8b5813 100755
--- a/opt/wms_toggle.sh
+++ b/opt/wms_toggle.sh
@@ -9,9 +9,9 @@ FW=$(pfw)
 
 usage() {
     cat<<EOF
-usage: wms_toggle.sh [ -m, -t ]
--m) unmap windowblur.sh
+usage: wms_toggle.sh [-t,-u ]
 -t) toggle map.
+-u) unmap widnow.
 EOF
 }
 
@@ -28,12 +28,12 @@ toggle() {
 }
 
 case $FLAG in
-    -m)
-	unmap
-	;;
     -t)
 	toggle
 	;;
+    -u)
+	unmap
+	;;
     *)
 	usage
 	;;