diff --git a/libraries/technology/mac_10g/tb_tech_mac_10g.vhd b/libraries/technology/mac_10g/tb_tech_mac_10g.vhd
index 34935b05c88fd50be77c7303c6d822adfd7ea0d2..03f8f88bf5c9347221a8466d5fe8ceb3caff97bc 100644
--- a/libraries/technology/mac_10g/tb_tech_mac_10g.vhd
+++ b/libraries/technology/mac_10g/tb_tech_mac_10g.vhd
@@ -25,7 +25,7 @@
 --   . proc_tech_mac_10g_rx_packet() for expected header and data type
 --   . tx_pkt_cnt=rx_pkt_cnt > 0 must be true at the tb_end.
 -- Usage:
---   > as 10
+--   > do wave_tb_tech_mac_10g.do
 --   > run -all
 
 LIBRARY IEEE, technology_lib, common_lib, dp_lib;