diff --git a/src/opcodes.c b/src/opcodes.c
index 0b29b67..4416d4f 100644
--- a/src/opcodes.c
+++ b/src/opcodes.c
@@ -28,9 +28,9 @@ Instruction instructions[OPCODECOUNT] = {
     COPY - 0010 0XXX COPY REG, REG
          - 0010 1XXX COPY REG, Constant    
          - 0011 0XXX COPY REG, Address
-         - 0010 0XXX COPY Address, REG
-         - 0010 1XXX COPY Address, Constant
-         - 0011 0XXX COPY Address, Address
+         - 1010 0XXX COPY Address, REG
+         - 1010 1XXX COPY Address, Constant
+         - 1011 0XXX COPY Address, Address
 
     ADD  - 0100 0XXX ADD REG, REG
          - 0100 1XXX ADD REG, Constant
@@ -42,14 +42,14 @@ Instruction instructions[OPCODECOUNT] = {
 
     OUT  - 1111 1XXX OUT REG
 */
-//COPY      001X XXXX
+//COPY      X01X XXXX
 //ADD       010X XXXX
 //SUB       011X XXXX
 //CMP       100X XXXX
 //REG       XXX0 0XXX
 //Constant  XXX0 1XXX
 //Address   XXX1 0XXX
-//R1        XXXX X001 -> XXXX X111 (R1 to R8)
+//R1        XXXX X000 -> XXXX X111 (R1 to R8)
 
 Register registers[REGISTERCOUNT] = {
     { "r1", R1 },