diff --git a/aruco_pose/src/genmap.py b/aruco_pose/src/genmap.py
index b1e75336..2701a49f 100755
--- a/aruco_pose/src/genmap.py
+++ b/aruco_pose/src/genmap.py
@@ -30,7 +30,7 @@ Options:
   -o <filename>  Output map file name in the 'map' subdirectory of aruco_pose package
 
 Example:
-  rosrun aruco_pose genmap.py 0.33 2 4 1 1 0 > $(catkin_find aruco_pose map)/test_map.txt
+  rosrun aruco_pose genmap.py 0.33 2 4 1 1 0 -o test_map.txt
 """
 
 from __future__ import print_function