UBIFS: fix commentaries

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index a2d334e..64b5f3a 100644
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -1365,7 +1365,7 @@
  * @host: host inode
  *
  * This function writes the updated version of an extended attribute inode and
- * the host inode tho the journal (to the base head). The host inode is written
+ * the host inode to the journal (to the base head). The host inode is written
  * after the extended attribute inode in order to guarantee that the extended
  * attribute will be flushed when the inode is synchronized by 'fsync()' and
  * consequently, the write-buffer is synchronized. This function returns zero