Fix typos in Documentation/: 'F'-'G'

This patch fixes typos in various Documentation txts. The patch addresses
some words starting with the letters 'F'-'G'.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/Documentation/uml/UserModeLinux-HOWTO.txt b/Documentation/uml/UserModeLinux-HOWTO.txt
index 60e482b..ecee100 100644
--- a/Documentation/uml/UserModeLinux-HOWTO.txt
+++ b/Documentation/uml/UserModeLinux-HOWTO.txt
@@ -4621,7 +4621,7 @@
   Chris Reahard built a specialized root filesystem for running a DNS
   server jailed inside UML.  It's available from the download
   <http://user-mode-linux.sourceforge.net/dl-sf.html>  page in the Jail
-  Filesysems section.
+  Filesystems section.