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/video4linux/bttv/Insmod-options b/Documentation/video4linux/bttv/Insmod-options
index bbe3ed6..14c065fa 100644
--- a/Documentation/video4linux/bttv/Insmod-options
+++ b/Documentation/video4linux/bttv/Insmod-options
@@ -1,5 +1,5 @@
 
-Note: "modinfo <module>" prints various informations about a kernel
+Note: "modinfo <module>" prints various information about a kernel
 module, among them a complete and up-to-date list of insmod options.
 This list tends to be outdated because it is updated manually ...