diff --git a/boards/uniboard1/designs/unb1_test/doc/README b/boards/uniboard1/designs/unb1_test/doc/README
index 8dffe9b370ce340da21e3db2c7fc2872a7445b9b..86e2c7661704e4b5e21a748fd07d9765a4590b2b 100644
--- a/boards/uniboard1/designs/unb1_test/doc/README
+++ b/boards/uniboard1/designs/unb1_test/doc/README
@@ -29,7 +29,7 @@ Modelsim instructions:
 
     # while the simulation runs... in another bash session do:
     cd unb1_test/tb/python
-    python tc_unb1_test.py --sim --unb 0 --bn 3 --seq INFO,PPSH,SENSORS      
+    python tc_unb1_test.py --sim --unb 0 --fn 0 --seq INFO,PPSH,SENSORS      
     or when unb1_test_10GbE:
     python tc_unb1_test.py --gn 0 -r 0:3 --seq BGDB --sim