Typo fixes retrun -> return

Typo fixes retrun -> return
Signed-off-by: Gabriel Craciunescu <nix.or.die@googlemail.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>

Documentation/scsi/arcmsr_spec.txt

@@ -3,7 +3,7 @@
 *******************************************************************************
 **	Usage of IOP331 adapter
 **	(All In/Out is in IOP331's view)
-**	1. Message 0 --> InitThread message and retrun code
+**	1. Message 0 --> InitThread message and return code
 **	2. Doorbell is used for RS-232 emulation
 **		inDoorBell :    bit0 -- data in ready
 **			(DRIVER DATA WRITE OK)

mm/migrate.c

@@ -706,7 +706,7 @@ static int unmap_and_move(new_page_t get_new_page, unsigned long private,
  * The function returns after 10 attempts or if no pages
  * are movable anymore because to has become empty
  * or no retryable pages exist anymore. All pages will be
- * retruned to the LRU or freed.
+ * returned to the LRU or freed.
  *
  * Return: Number of pages not migrated or error code.
  */