diff --git a/RTL/program3_tb.sv b/RTL/program3_tb.sv
index a71a19c..f1b13ea 100644
--- a/RTL/program3_tb.sv
+++ b/RTL/program3_tb.sv
@@ -2,13 +2,13 @@
 // testbench for programmable message decryption, space removal (Program #3)
 // CSE141L  
 // runs program 2 (decrypt a message), but with corruption
-module decrypt_depad_tb ()        ;
-// DUT interface
+module program3_tb ()        ;
+// DUT interface
   logic      clk   = 1'b0   ,      // advances simulation step-by-step
              init  = 1'b1   ,      // init (reset) command to DUT
              start = 1'b1   ;      // req (start program) command to DUT
   wire       done           ;      // done flag returned by DUT
-// test bench parameters
+// test bench parameters
   logic[3:0] pre_length     ;      // space char. bytes before first char. in message  
   logic[7:0] message1[49]   ,      // original raw message, in binary
              msg_padded1[80],      // original message, plus pre- and post-padding w/ ASCII spaces
@@ -21,16 +21,16 @@ module decrypt_depad_tb ()        ;
 // our original American Standard Code for Information Interchange message follows
 // note in practice your design should be able to handle ANY ASCII string that is
 //  restricted to characters between space (0x20) and script f (0x9f) and shorter than 
-//  53 characters in length
+//  53 characters in length
 // *** No more than 24 leading space characters, including preamble. ***
-//    string     str1 = 
+//    string     str1 = 
 //  string     str1  = "Mr. Watson, come here. I want to see you.";     // sample program 1 input
 //  string     str1  = " Knowledge comes, but wisdom lingers.    ";   // alternative inputs
 //  string     str1  = "  01234546789abcdefghijklmnopqrstuvwxyz. ";   //   (make up your own,
 //  string     str1  = "      A joke is a very serious thing.";   // 	as well)
   string     str1  = "          Ajok          ";   // 
-//	string     str1  = "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@";
-//	string     str1  = "``@@```@@@````@@@@````@@@@@";
+//	string     str1  = "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@";
+//	string     str1  = "``@@```@@@````@@@@````@@@@@";
 //  string     str1  = " Knowledge comes, but wisdom lingers.    ";   // 
 
 // displayed encrypted string will go here:
@@ -42,7 +42,7 @@ module decrypt_depad_tb ()        ;
   logic[5:0] flipper; 			   // corruptor -- bit flip
   logic[79:0] flipped = 80'b0;	   // tracks which word got a bit flipped
 // the 8 possible maximal-length feedback tap patterns from which to choose
-  assign LFSR_ptrn[0] = 7'h60;	   // 110_0000       
+  assign LFSR_ptrn[0] = 7'h60;	   // 110_0000       
   assign LFSR_ptrn[1] = 7'h48;	   // 100_1000
   assign LFSR_ptrn[2] = 7'h78;
   assign LFSR_ptrn[3] = 7'h72;
@@ -83,7 +83,7 @@ module decrypt_depad_tb ()        ;
 // you may also pre-load desired constants, etc. into
 //   your data_mem here -- the upper addresses are reserved for your use
 //    dut.data_mem.DM[128]=8'hfe;   //whatever constants you want	
-    file_no = 1;	 // write to transcript
+    file_no = 1;	 // write to transcript
 //    file_no = $fopen("msg_decoder_out.txt");		 // create your output file
     #0ns strlen = str1.len;       // length of string 1 (# characters between " ")
     if(strlen>52) strlen = 52;          // clip message at 52 characters
@@ -95,9 +95,9 @@ module decrypt_depad_tb ()        ;
     $fdisplay(file_no,"run encryption program; original message = ");
     $fdisplay(file_no,"%s",str1);       // print original message in transcript window
     $fdisplay(file_no,"LFSR_ptrn = 0x%h, LFSR_init = 0x%h, pre_length: %d",lfsr_ptrn,LFSR_init,pre_length);
-	$fdisplay(file_no,"pt_no = %d",pt_no);
-
-// will subtract 0x20 from each preamble and messge character to fit into 7 bits
+	$fdisplay(file_no,"pt_no = %d",pt_no);
+
+// will subtract 0x20 from each preamble and messge character to fit into 7 bits
     for(int j=0; j<80; j++)            // pre-fill message_padded with ASCII space characters
       msg_padded1[j] = 8'h20;          //   
     for(int l=0; l<strlen; l++)        // overwrite up to 49 of these spaces w/ message itself
@@ -112,7 +112,7 @@ module decrypt_depad_tb ()        ;
       msg_crypto1[i]        = ((msg_padded1[i]-'h20) ^ lfsr1[i]);
 	  msg_crypto1[i][7]     = 0;//^msg_crypto1[i][6:0];       // prepend parity bit into MSB
       $fdisplay(file_no,"i=%d, msg_pad=0x%h, lfsr=%b msg_crypt w/ parity = 0x%h",
-         i,msg_padded1[i],lfsr1[i],msg_crypto1[i]);
+         i,msg_padded1[i],lfsr1[i],msg_crypto1[i]);
 //for display purposes only, add 8'h20 to avoid nonprintable characters
       str_enc1[i]           = string'(msg_crypto1[i][6:0]+'h20);
     end
@@ -134,9 +134,9 @@ module decrypt_depad_tb ()        ;
     for(int m=0; m<24; m++)             // load first 24 characters of encrypted message into data memory
       dut.DM.core[m+64] = msg_crypto1[m];
     for(int n=24; n<64; n++) begin	  	// load subsequent, possibly corrupt, encrypted message into data memory
-// set flipper = 8 or higher to disable bit corruption
+// set flipper = 8 or higher to disable bit corruption
 	  flipper = 8;//$random;                // value between 0 and 63, inclusive
-      dut.DM.core[n+64] = msg_crypto1[n]^(1<<flipper);
+      dut.DM.core[n+64] = msg_crypto1[n]^(1<<flipper);
       if(flipper<8) flipped[n]=1;
 	end
     #20ns init  = 1'b0;				  // suggestion: reset = 1 forces your program counter to 0