diff --git a/as.y b/as.y
index 22f6e59..a9df224 100644
--- a/as.y
+++ b/as.y
@@ -3,7 +3,7 @@
 }
 %{
 #include "tables.h"
-#include <stdio.h> 
+#include <stdio.h>
 
 FILE * file;
 FILE * file2;
@@ -21,7 +21,7 @@ FILE * file2;
 
 %%
 
-Programme : Instruction Programme; 
+Programme : Instruction Programme;
 Programme : Instruction;
 
 Instruction : tMUL tNB tNB tNB {increment_time();
@@ -105,13 +105,13 @@ Instruction : tJMF tNB tNB     {increment_time();
 																add_instruction(JMZ, $3, 0, 0);
 																new_instruction(added_instruction + 2);};
 
-Instruction : tWR tNB tNB      {increment_time();
+Instruction : tREAD tNB tNB      {increment_time();
 																int added_instruction = 0;
 																int reg_addr = get_reg_read($3, &added_instruction);
 																int reg_dest = get_reg_write($2, &added_instruction);
 																add_instruction(LOADI, reg_dest, reg_addr, 0);
 																new_instruction(added_instruction + 1);};
-Instruction : tREAD tNB tNB    {increment_time();
+Instruction : tWR tNB tNB    {increment_time();
 																int added_instruction = 0;
 																int reg_addr = get_reg_read($2, &added_instruction);
 																int reg_value = get_reg_read($3, &added_instruction);