ALSA: Documentation/sound/alsa/ALSA-Configuration.txt: fix typo

As noted by Gu Rui in http://bugzilla.kernel.org/show_bug.cgi?id=11444,
there is a typo in Documentation/sound/alsa/ALSA-Configuration.txt.
After checking the source (sound/pci/hda/hda_intel.c), the report
looks correct to me.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index fd3de67..30499cf 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -1098,7 +1098,7 @@
 	    register value without FIFO size correction as the current
 	    DMA pointer.  position_fix=2 will make the driver to use
 	    the position buffer instead of reading SD_LPIB register.
-	    (Usually SD_LPLIB register is more accurate than the
+	    (Usually SD_LPIB register is more accurate than the
 	    position buffer.)
 
     NB: If you get many "azx_get_response timeout" messages at