diff --git a/src/engine/platform/su.cpp b/src/engine/platform/su.cpp
index 26cee340..425698b9 100644
--- a/src/engine/platform/su.cpp
+++ b/src/engine/platform/su.cpp
@@ -44,7 +44,7 @@ const char* DivPlatformSoundUnit::getEffectName(unsigned char effect) {
       return "13xx: Set resonance (0 to F)";
       break;
     case 0x14:
-      return "14xx: Set filter mode (bit 0: ring mod; bit 1: low pass; bit 2: band pass; bit 3: high pass)";
+      return "14xx: Set filter mode (bit 0: ring mod; bit 1: low pass; bit 2: high pass; bit 3: band pass)";
       break;
     case 0x15:
       return "15xx: Set frequency sweep period low byte";
diff --git a/src/gui/insEdit.cpp b/src/gui/insEdit.cpp
index 5e11fdd5..53d3e59d 100644
--- a/src/gui/insEdit.cpp
+++ b/src/gui/insEdit.cpp
@@ -176,7 +176,7 @@ const char* n163UpdateBits[8]={
 };
 
 const char* suControlBits[5]={
-  "ring mod", "low pass", "band pass", "high pass", NULL
+  "ring mod", "low pass", "high pass", "band pass", NULL
 };
 
 const char* panBits[3]={