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/filesystems/spufs.txt b/Documentation/filesystems/spufs.txt
index 8edc395..302df12 100644
--- a/Documentation/filesystems/spufs.txt
+++ b/Documentation/filesystems/spufs.txt
@@ -84,7 +84,7 @@
    /ibox
        The  second  SPU  to CPU communication mailbox. This file is similar to
        the first mailbox file, but can be read in blocking I/O mode,  and  the
-       poll  familiy of system calls can be used to wait for it.  The possible
+       poll  family of system calls can be used to wait for it.  The  possible
        operations on an open ibox file are:
 
        read(2)