[PATCH] drm/nouveau/mmu: fix typo in comment

[Julia Lawall]

Spelling mistake (triple letters) in comment.
Detected with the help of Coccinelle.

Signed-off-by: Julia Lawall <julia.law...@inria.fr>

---
 drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c 
b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
index 8bf00b396ec1..8b11dfa0998d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
@@ -280,7 +280,7 @@ nvkm_vmm_unref_ptes(struct nvkm_vmm_iter *it, bool pfn, u32 
ptei, u32 ptes)
        if (desc->type == SPT && (pgt->refs[0] || pgt->refs[1]))
                nvkm_vmm_unref_sptes(it, pgt, desc, ptei, ptes);
 
-       /* PT no longer neeed?  Destroy it. */
+       /* PT no longer needed?  Destroy it. */
        if (!pgt->refs[type]) {
                it->lvl++;
                TRA(it, "%s empty", nvkm_vmm_desc_type(desc));