TOMOYO: Update kernel-doc.

Update comments for scripts/kernel-doc and fix some of errors reported by
scripts/checkpatch.pl .

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/security/tomoyo/util.c b/security/tomoyo/util.c
index e25f7ff..c36bd11 100644
--- a/security/tomoyo/util.c
+++ b/security/tomoyo/util.c
@@ -1,9 +1,7 @@
 /*
  * security/tomoyo/util.c
  *
- * Utility functions for TOMOYO.
- *
- * Copyright (C) 2005-2010  NTT DATA CORPORATION
+ * Copyright (C) 2005-2011  NTT DATA CORPORATION
  */
 
 #include <linux/slab.h>
@@ -378,7 +376,7 @@
 /**
  * tomoyo_correct_word2 - Validate a string.
  *
- * @string: The string to check. May be non-'\0'-terminated.
+ * @string: The string to check. Maybe non-'\0'-terminated.
  * @len:    Length of @string.
  *
  * Check whether the given string follows the naming rules.