diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 94887db..a18ecb9 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -1059,6 +1059,13 @@
 
     The power-management is supported.
 
+  Module snd-pxa2xx-ac97 (on arm only)
+  ------------------------------------
+
+    Module for AC97 driver for the Intel PXA2xx chip
+
+    For ARM architecture only.
+
   Module snd-rme32
   ----------------