Use “parameterize” spelling (#714)

When not specifically referring to the “parametrize” package
(https://pypi.org/project/parametrize/), use the standard spelling
“parameterize.”

This is consistent with the GitHub project page summary and with the
first sentence of README.md

Author: musicinmybrain

docs/usage-inspect.rst

@@ -22,7 +22,7 @@ The `inspect_notebook` function can be called to inspect a notebook:
    pm.inspect_notebook('path/to/input.ipynb')
 
 .. note::
-    If your path is parametrized, you can pass those parameters in a dictionary
+    If your path is parameterized, you can pass those parameters in a dictionary
     as second parameter:
 
     ``inspect_notebook('path/to/input_{month}.ipynb', parameters={month='Feb'})``

setup.py

@@ -66,7 +66,7 @@ def read_reqs(fname, folder=None):
 setup(
     name='papermill',
     version=version(),
-    description='Parametrize and run Jupyter and nteract Notebooks',
+    description='Parameterize and run Jupyter and nteract Notebooks',
     author='nteract contributors',
     author_email='nteract@googlegroups.com',
     license='BSD',