iproute2: fix minor typo in comments

Signed-off-by: Gilles Espinasse <g.esp@free.fr>
diff --git a/README.devel b/README.devel
index 2022869..9b7d11e 100644
--- a/README.devel
+++ b/README.devel
@@ -1,7 +1,7 @@
 Iproute2 development is closely tied to Linux kernel networking
 development. Most new features require a kernel and a utility component.
 
-Please submit both the the Linux networking mailing list
+Please submit both to the Linux networking mailing list
    <netdev@vger.kernel.org>
 
 The current source is in the git repository: