diff --git a/applications/unb1_reorder/tb/python/tc_unb1_reorder.py b/applications/unb1_reorder/tb/python/tc_unb1_reorder.py
index cfe25cb928fb0599611a07825c56f2fafa435744..9693ebfe537d184e54b912063521328ad8197a9a 100644
--- a/applications/unb1_reorder/tb/python/tc_unb1_reorder.py
+++ b/applications/unb1_reorder/tb/python/tc_unb1_reorder.py
@@ -27,7 +27,7 @@
     
    Usage:
 
-   > python tc_unb1_reorder.py --unb 0 --fn 0 --sim 
+   > python tc_unb1_reorder.py --unb 0 --bn 3 --sim 
 
 """