diff --git a/README.md b/README.md
index b0e27a5..beeed1b 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,11 @@
 # reinette
-The french Apple 1 emulator
+A french Apple 1 emulator
 
 Implements a 6502 emulator, basic I/O and runs the Woz monitor.
 
-Can aslo run Vince Briel's Replica 1 ROM which includes Krusader and Apple 1 Basic. 
+Can aslo run Vince Briel's [Replica 1](http://www.brielcomputers.com/wordpress/?cat=17) ROM which includes [Krusader](http://school.anhb.uwa.edu.au/personalpages/kwessen/apple1/Krusader.htm) and Apple 1 Basic. 
 Just convert the binary dump into a C array as it has been done with Apple 1 ROM in woz.h
 
-Passes the Klaus Test Suite (https://github.com/Klaus2m5/6502_65C02_functional_tests)
+Passes the [Klaus Test Suite](https://github.com/Klaus2m5/6502_65C02_functional_tests)
 
 Have fun !
diff --git a/reinette-Klaus.c b/reinette-Klaus.c
index 990e6d5..9505d41 100644
--- a/reinette-Klaus.c
+++ b/reinette-Klaus.c
@@ -487,7 +487,6 @@ static void SBC(){  // SuBtract with Carry
 }
 
 static void UND(){  // UNDefined (not a valid or supported 6502 opcode)
-  printw("\n\n~ Illegal Instruction At Address $%04X ~\n", reg.PC - 1);
   BRK();
 }
 
@@ -535,7 +534,7 @@ static void (*addressing[])(void) = {
 
 // PROGRAM ENTRY POINT
 
-int main(int argc, char *argv[]) {
+int main(int argc, char *argv[]){
   int i = 0;//, ch = 0;
   uint8_t opcode = 0;
 
diff --git a/reinette.c b/reinette.c
index da7d66d..5ca64ef 100644
--- a/reinette.c
+++ b/reinette.c
@@ -481,7 +481,6 @@ static void SBC(){  // SuBtract with Carry
 }
 
 static void UND(){  // UNDefined (not a valid or supported 6502 opcode)
-  printw("\n\n~ Illegal Instruction At Address $%04X ~\n", reg.PC - 1);
   BRK();
 }
 
@@ -529,7 +528,7 @@ static void (*addressing[])(void) = {
 
 // PROGRAM ENTRY POINT
 
-int main(int argc, char *argv[]) {
+int main(int argc, char *argv[]){
   int i = 0 , ch = 0;
   uint8_t opcode = 0;