diff --git a/cpu/decoder.cpp b/cpu/decoder.cpp
index 2ba95fd..34f9933 100644
--- a/cpu/decoder.cpp
+++ b/cpu/decoder.cpp
@@ -114,7 +114,7 @@ void Cpu::executeInstruction()
       state.reg16((op >> 4) & 0x3) += 1;
       mcycles = 2;
     }
-  else if((op & 0xCF) == 0x0B) // INC rr
+  else if((op & 0xCF) == 0x0B) // DEC rr
     {
       state.reg16((op >> 4) & 0x3) -= 1;
       mcycles = 2;