diff --git a/audio/wave_samples.asm b/audio/wave_samples.asm
index d48259888..493cce679 100644
--- a/audio/wave_samples.asm
+++ b/audio/wave_samples.asm
@@ -1,6 +1,6 @@
 WaveSamples: ; e8db2
-	; these are streams of 32 4-bit values used as wavepatterns
-	; nothing interesting here!
+	; These are streams of 32 nybbles (4-bit values) used as wave patterns.
+	; Plot them as a line chart to see the wave's shape.
 	dn  0,  2,  4,  6,  8, 10, 12, 14, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 10,  9,  8,  7,  6,  5,  4,  4,  3,  3,  2,  2,  1,  1
 	dn  0,  2,  4,  6,  8, 10, 12, 14, 14, 15, 15, 15, 15, 14, 14, 14, 13, 13, 12, 11, 10,  9,  8,  7,  6,  5,  4,  3,  2,  2,  1,  1
 	dn  1,  3,  6,  9, 11, 13, 14, 14, 14, 14, 15, 15, 15, 15, 14, 13, 13, 14, 15, 15, 15, 15, 14, 14, 14, 14, 13, 11,  9,  6,  3,  1