[PATCH] xen/arm: fix typos in comments

[Julia Lawall <Julia.Lawall@xxxxxxxx>]

Various spelling mistakes in comments.
Detected with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxxx>

---
 arch/arm/xen/mm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c
index a7e54a087b80..607c1a557ccc 100644
--- a/arch/arm/xen/mm.c
+++ b/arch/arm/xen/mm.c
@@ -105,7 +105,7 @@ bool xen_arch_need_swiotlb(struct device *dev,
         *      - The Linux page refers to foreign memory
         *      - The device doesn't support coherent DMA request
         *
-        * The Linux page may be spanned acrros multiple Xen page, although
+        * The Linux page may be spanned across multiple Xen page, although
         * it's not possible to have a mix of local and foreign Xen page.
         * Furthermore, range_straddles_page_boundary is already checking
         * if buffer is physically contiguous in the host RAM.