SubmittingPatches: fix typo

From 7e0befc8e48a49e2ddf86bbd861027b14ea5a53d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Hinderer?=
 <Sebastien.Hinderer@ens-lyon.org>
Date: Wed, 8 Jul 2015 21:10:18 +0200
Subject: [PATCH] SubmittingPatches: fix typo
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Signed-off-by: NSébastien Hinderer <Sebastien.Hinderer@ens-lyon.org>
Signed-off-by: NJonathan Corbet <corbet@lwn.net>

Documentation/SubmittingPatches

@@ -267,7 +267,7 @@ You should always copy the appropriate subsystem maintainer(s) on any patch
 to code that they maintain; look through the MAINTAINERS file and the
 source code revision history to see who those maintainers are.  The
 script scripts/get_maintainer.pl can be very useful at this step.  If you
-cannot find a maintainer for the subsystem your are working on, Andrew
+cannot find a maintainer for the subsystem you are working on, Andrew
 Morton (akpm@linux-foundation.org) serves as a maintainer of last resort.
 
 You should also normally choose at least one mailing list to receive a copy