diff --git a/Documentation/sound/alsa/HD-Audio.txt b/Documentation/sound/alsa/HD-Audio.txt
index f590850..a4e5ef8 100644
--- a/Documentation/sound/alsa/HD-Audio.txt
+++ b/Documentation/sound/alsa/HD-Audio.txt
@@ -380,7 +380,8 @@
   Shows the pin default config values to override the BIOS setup.
   Writing this (with two numbers, NID and value) appends the new
   value.  The given will be used instead of the initial BIOS value at
-  the next reconfiguration time.
+  the next reconfiguration time.  Note that this config will override
+  even the driver pin configs, too.
 reconfig::
   Triggers the codec re-configuration.  When any value is written to
   this file, the driver re-initialize and parses the codec tree