diff --git a/utool/utool.py b/utool/utool.py
index cc856fc..570dfb2 100755
--- a/utool/utool.py
+++ b/utool/utool.py
@@ -104,7 +104,7 @@ def utool(option):
         '-o': ['Reserved', None],
         '-c': [' show external IP of this machine', get_external_ip],
         '-p': ['*generate password of length 1~79', gen_passwd],
-        '-d': [' show the location of ip(only v4 for now)', get_ip_location],
+        '-d': ['*show the location of ip(only v4 for now)', get_ip_location],
         '-q': ['Reserved', None],
         '-e': ['*generate md5 value of the input string', gen_md5],
         '-r': ['Reserved', None],