trivial: fix typo milisecond/millisecond for documentation and source comments.

Signed-off-by: Martin Olsson <martin@minimum.se>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 757e595..ae1cae3 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -577,7 +577,7 @@
 
 		/*
 		 * If necessary schedule the packet transfer to occur 'timeout'
-		 * miliseconds later in ide_delayed_transfer_pc() after the
+		 * milliseconds later in ide_delayed_transfer_pc() after the
 		 * device says it's ready for a packet.
 		 */
 		if (drive->atapi_flags & IDE_AFLAG_ZIP_DRIVE) {