diff --git a/xwinwrap.c b/xwinwrap.c
index 3a44c5e..270e57a 100644
--- a/xwinwrap.c
+++ b/xwinwrap.c
@@ -133,7 +133,7 @@ static void sigHandler (int sig)
 static void usage (void)
 {
     fprintf(stderr, "%s \n", NAME);
-    fprintf (stderr, "\nUsage: %s [-g {w}x{h}+{x}+{y}] [-ni] [-argb] [-fs] [-s] [-st] [-sp] [-a] "
+    fprintf (stderr, "\nUsage: %s [-g {w}x{h}+{x}+{y}] [-ni] [-argb] [-fs] [-s] [-st] [-sp] [-a] [-d] "
              "[-b] [-nf] [-o OPACITY] [-sh SHAPE] [-ov]-- COMMAND ARG1...\n", NAME);
     fprintf (stderr, "Options:\n \
             -g      - Specify Geometry (w=width, h=height, x=x-coord, y=y-coord. ex: -g 640x480+100+100)\n \