Documentation: fix minor typos/spelling

Fix some minor typos:
 * informations => information
 * there own => their own
 * these => this

Signed-off-by: Sylvestre Ledru <sylvestre.ledru@scilab.org>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 3c1eddd..181ba5b 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -2229,7 +2229,7 @@
 
 /proc/asound/card#/pcm#[cp]/oss
 -------------------------------
-  String "erase" - erase all additional informations about OSS applications
+  String "erase" - erase all additional information about OSS applications
   String "<app_name> <fragments> <fragment_size> [<options>]"
 
    <app_name> - name of application with (higher priority) or without path