trivial: fix typos/grammar errors in fs/Kconfig

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jan Kara <jack@suse.cz>

fs/quota/Kconfig

@@ -33,7 +33,7 @@ config PRINT_QUOTA_WARNING
 	  Note that this behavior is currently deprecated and may go away in
 	  future. Please use notification via netlink socket instead.
 
-# Generic support for tree structured quota files. Seleted when needed.
+# Generic support for tree structured quota files. Selected when needed.
 config QUOTA_TREE
 	 tristate