Fix typos in /Documentation : 'U-Z'

This patch fixes typos in various Documentation txts. The patch addresses some
+words starting with the letters 'U-Z'.

Looks like I made it through the alphabet...just in time to start over again
+too!  Maybe I can fit more profound fixes into the next round...?  Time will
+tell. :)

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/Documentation/sound/alsa/SB-Live-mixer.txt b/Documentation/sound/alsa/SB-Live-mixer.txt
index 651adaf..f5639d4 100644
--- a/Documentation/sound/alsa/SB-Live-mixer.txt
+++ b/Documentation/sound/alsa/SB-Live-mixer.txt
@@ -5,7 +5,7 @@
 
 The EMU10K1 chips have a DSP part which can be programmed to support
 various ways of sample processing, which is described here.
-(This acticle does not deal with the overall functionality of the 
+(This article does not deal with the overall functionality of the 
 EMU10K1 chips. See the manuals section for further details.)
 
 The ALSA driver programs this portion of chip by default code