diff --git a/src/engine/platform/nes.cpp b/src/engine/platform/nes.cpp
index 50e548ea3..67ad28521 100644
--- a/src/engine/platform/nes.cpp
+++ b/src/engine/platform/nes.cpp
@@ -65,7 +65,7 @@ const char** DivPlatformNES::getRegisterSheet() {
 const char* DivPlatformNES::getEffectName(unsigned char effect) {
   switch (effect) {
     case 0x11:
-      return "Write to delta modulation counter (0 to 7F)";
+      return "11xx: Write to delta modulation counter (0 to 7F)";
       break;
     case 0x12:
       return "12xx: Set duty cycle/noise mode (pulse: 0 to 3; noise: 0 or 1)";