diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 3413644..fd4c32a 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -956,7 +956,7 @@
 	  laptop-automute 2-channel with EAPD and HP-automute (Lenovo N100)
 	  ultra		2-channel with EAPD (Samsung Ultra tablet PC)
 
-	AD1988
+	AD1988/AD1988B/AD1989A/AD1989B
 	  6stack	6-jack
 	  6stack-dig	ditto with SPDIF
 	  3stack	3-jack