diff --git a/top/x400/ip/eth_100g_bd/lbus_tb/axi_lbus_tb.sv b/top/x400/ip/eth_100g_bd/lbus_tb/axi_lbus_tb.sv
index cfde2d5..c21827c 100644
--- a/top/x400/ip/eth_100g_bd/lbus_tb/axi_lbus_tb.sv
+++ b/top/x400/ip/eth_100g_bd/lbus_tb/axi_lbus_tb.sv
@@ -7,7 +7,7 @@
 //
 // Description:
 //
-//   Testbench for eth_interface
+//   Testbench for eth_100g_axi2lbus.
 //
 
 module axi_lbus_tb #(
diff --git a/top/x400/ip/eth_100g_bd/lbus_tb/lbus_axi_tb.sv b/top/x400/ip/eth_100g_bd/lbus_tb/lbus_axi_tb.sv
index fa5812a..1df69c6 100644
--- a/top/x400/ip/eth_100g_bd/lbus_tb/lbus_axi_tb.sv
+++ b/top/x400/ip/eth_100g_bd/lbus_tb/lbus_axi_tb.sv
@@ -7,7 +7,7 @@
 //
 // Description:
 //
-//   Testbench for eth_interface
+//   Testbench for eth_100g_lbus2axi.
 //
 
 module lbus_axi_tb #(