diff --git a/Source/sound.cpp b/Source/sound.cpp
index 7142b3280..45e0b3060 100644
--- a/Source/sound.cpp
+++ b/Source/sound.cpp
@@ -367,7 +367,7 @@ void __fastcall sound_create_primary_buffer(int music_track)
 			a2.cbSize = 0;
 		}
 		a2.nChannels = 2;
-		a2.nBlockAlign = 2 * a2.wBitsPerSample / 8; // a2.nChannels * x / 8 (BUG_FIX: per MSDN)
+		a2.nBlockAlign = 2 * a2.wBitsPerSample / 8; /// BUGFIX: should be `a2.nChannels * a2.wBitsPerSample / 8`
 		a2.nAvgBytesPerSec = a2.nSamplesPerSec * a2.nBlockAlign;
 		sglpDSB->SetFormat(&a2);
 	}