fix a couple docstrings

dvid/fetch.py

@@ -1374,7 +1374,7 @@ def skeletonize_neuron(bodyid,
 
     Fetches voxels from DVID, creates a mesh (via `mesh_neuron`) and then
     skeletonizes it. This can be useful if the precomputed skeletons are not
-    up-to-date or have corrupt topology. This function requires `skeletor` to
+    up-to-date or have incorrect topology. This function requires `skeletor` to
     be installed::
 
       pip3 install skeletor
@@ -1600,7 +1600,7 @@ def mesh_neuron(bodyid,
                 If not provided, will try reading from global.
     **kwargs
                 Keyword arguments are passed through to
-                `dv.meshign.mesh_from_voxels`.
+                `dv.meshing.mesh_from_voxels`.
 
 
     Returns

dvid/meshing.py

@@ -177,7 +177,7 @@ def _mesh_from_voxels_chunked(voxels,
 
     # Now we encode the indices (x, y, z) chunk indices as packed integer:
     # Each (xyz) chunk is encoded as single integer which speeds things up a lot
-    # For example chunk (1, 2, 3) becomes:
+    # For example with base = 16, chunk (1, 2, 3) becomes:
     # N = 2 ** 16 = 65,536
     # (1 * N ** 2) + (2 * N) + 3 = 4,295,098,371
     # This obviously only works as long as we can still squeeze the chunks into

dvid/utils.py

@@ -508,7 +508,7 @@ def make_url(*args, **GET):
                 Keyword arguments are assumed to be GET request queries
                 and will be encoded in the url. For example::
 
-                    >>> make_url('http://my-server.com', 'skeleton', node_gt: 100)
+                    >>> make_url('http://my-server.com', 'skeleton', node_gt=100)
                     'http://my-server.com/skeleton?node_gt=100'
 
     Returns