small typo in deform_source_mesh_to_target_mesh.ipynb (#24)

Summary:
fixed small typo in deform_source_mesh_to_target_mesh.ipynb
Pull Request resolved: https://github.com/facebookresearch/pytorch3d/pull/24

Differential Revision: D19801629

Pulled By: nikhilaravi

fbshipit-source-id: 59459f701e0a4c02e749a1b594ca77935fd037d1

docs/tutorials/deform_source_mesh_to_target_mesh.ipynb

@@ -1811,7 +1811,7 @@
    "outputs": [],
    "source": [
     "# We will learn to deform the source mesh by offsetting its vertices\n",
-    "# The shape of the derform parameters is equal to the total number of vertices in src_mesh\n",
+    "# The shape of the deform parameters is equal to the total number of vertices in src_mesh\n",
     "deform_verts = torch.full(src_mesh.verts_packed().shape, 0.0, device=device, requires_grad=True)"
    ]
   },