diff --git a/adder_tree_tb.sv b/adder_tree_tb.sv
index 5b6e78c..edc47f8 100644
--- a/adder_tree_tb.sv
+++ b/adder_tree_tb.sv
@@ -1,7 +1,12 @@
+//------------------------------------------------------------------------------
+// adder_tree_tb.sv
+// Konstantin Pavlov, pavlovconst@gmail.com
+//------------------------------------------------------------------------------
 
-// RXI - PIN400M
+// INFO ------------------------------------------------------------------------
 // testbench for adder_tree.sv module
 
+
 `timescale 1ns / 1ps
 
 module adder_tree_tb();
diff --git a/leave_one_hot_tb.sv b/leave_one_hot_tb.sv
index 8cc82f2..89765b6 100644
--- a/leave_one_hot_tb.sv
+++ b/leave_one_hot_tb.sv
@@ -1,7 +1,12 @@
+//------------------------------------------------------------------------------
+// leave_one_hot_tb.sv
+// Konstantin Pavlov, pavlovconst@gmail.com
+//------------------------------------------------------------------------------
 
-// RXI - PIN400M
+// INFO ------------------------------------------------------------------------
 // testbench for leave_one_hot.sv module
 
+
 `timescale 1ns / 1ps
 
 module leave_one_hot_tb();
diff --git a/pulse_gen_tb.sv b/pulse_gen_tb.sv
index 28d5186..c09ec7a 100644
--- a/pulse_gen_tb.sv
+++ b/pulse_gen_tb.sv
@@ -1,7 +1,12 @@
+//------------------------------------------------------------------------------
+// pulse_gen_tb.sv
+// Konstantin Pavlov, pavlovconst@gmail.com
+//------------------------------------------------------------------------------
 
-// RXI - PIN400M
+// INFO ------------------------------------------------------------------------
 // testbench for pulse_gen.sv module
 
+
 `timescale 1ns / 1ps
 
 module pulse_gen_tb();
diff --git a/pulse_stretch_tb.sv b/pulse_stretch_tb.sv
index cb414e8..9ff7cb2 100644
--- a/pulse_stretch_tb.sv
+++ b/pulse_stretch_tb.sv
@@ -1,7 +1,12 @@
+//------------------------------------------------------------------------------
+// pulse_stretch_tb.sv
+// Konstantin Pavlov, pavlovconst@gmail.com
+//------------------------------------------------------------------------------
 
-// RXI - PIN400M
+// INFO ------------------------------------------------------------------------
 // testbench for pulse_stretch.sv module
 
+
 `timescale 1ns / 1ps
 
 module pulse_stretch_tb();