diff --git a/ps3/ps03q/tlc_tb.v b/ps3/ps03q/tlc_tb.v
index d8c5833..afb58f9 100644
--- a/ps3/ps03q/tlc_tb.v
+++ b/ps3/ps03q/tlc_tb.v
@@ -26,7 +26,7 @@
 ///////////////////////////////////////////////////////////////////
 
 //UUT module
-`include "traffic_light_controler.v"
+`include "traffic_light_controller.v"
 
 // 1GHz clock -> 1ns period
 // 50% duty cycle 0.5ns HIGH and 0.5ns LOW
@@ -48,7 +48,7 @@ integer ii=0;
 always #0.5 clk <= ~clk;
 
 //-----Unit Under test---------------
-smart_tl_ctl #(
+traffic_light_controller #(
         .PARAMETER(45)
 ) unit_under_test (
         .clk(clk),
diff --git a/ps3/ps03q/traffic_light_controller.v b/ps3/ps03q/traffic_light_controller.v
index 77dcdb7..70e4cc6 100644
--- a/ps3/ps03q/traffic_light_controller.v
+++ b/ps3/ps03q/traffic_light_controller.v
@@ -46,7 +46,7 @@
 //
 ///////////////////////////////////////////////////////////////////
 
-module trafic_light_controller #( parameter
+module traffic_light_controller #( parameter
     PARAMETER	 = 45,
     MR_GREEN_TIME = 30-1, 
     SR_GREEN_TIME = 10-1,
diff --git a/ps3/ps03q/traffic_light_controller.vhdl b/ps3/ps03q/traffic_light_controller.vhdl
index b7fedd4..ddb1092 100644
--- a/ps3/ps03q/traffic_light_controller.vhdl
+++ b/ps3/ps03q/traffic_light_controller.vhdl
@@ -52,7 +52,7 @@ use ieee.std_logic_1164.all;	--always use this library
 use ieee.numeric_std.all;		--use this library if arithmetic required
 
 --Entity declaration [part 3 of the VHDL file].
-entity smart_tl_ctl is
+entity traffic_light_controller is
     generic
     (
         PARAMETER : integer := 45