diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 6de56d1..780c213 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -1454,6 +1454,7 @@
 
     Module for internal PC-Speaker.
 
+    nopcm	- Disable PC-Speaker PCM sound. Only beeps remain.
     nforce_wa	- enable NForce chipset workaround. Expect bad sound.
 
     This module supports system beeps, some kind of PCM playback and