Minor tweaks

Author: pgleeson

Tutorial/index.rst

@@ -3,10 +3,10 @@
    You can adapt this file completely to your liking, but it should at least
    contain the root `toctree` directive.
 
-Welcome to Hodgkin Huxley Tutorial
+Welcome to the Hodgkin Huxley Tutorial
 ===============================================
 
-This tutorial gives an introduction to the `Hodgkin-Huxley model <https://en.wikipedia.org/wiki/Hodgkin%E2%80%93Huxley_model>`_ by use of executable example implementations in Python and `NeuroML <http://www.neuroml.org>`_. 
+This tutorial gives an introduction to the `Hodgkin-Huxley model <https://en.wikipedia.org/wiki/Hodgkin%E2%80%93Huxley_model>`_ through the use of executable example implementations in Python and `NeuroML <http://www.neuroml.org>`_.
 
 
 **The aims of this tutorial are:**
@@ -19,20 +19,20 @@ This was originally created by `@joebowen <https://github.com/joebowen>`_ on beh
 What is the Hodgkin-Huxley model?
 =================================
 
-`From Wikipedia <https://en.wikipedia.org/wiki/Hodgkin%E2%80%93Huxley_model>`_: 
-The Hodgkin–Huxley model is a mathematical model that describes how action potentials in neurons 
+`From Wikipedia <https://en.wikipedia.org/wiki/Hodgkin%E2%80%93Huxley_model>`_:
+The Hodgkin–Huxley model is a mathematical model that describes how action potentials in neurons
 are initiated and propagated.
 
 The model describes represents the electrical properties of
 excitable membranes as typical electrical circuit components. For instance,
-the cell's membrane is modeled as a capacitor, and voltage-dependent 
+the cell's membrane is modeled as a capacitor, and voltage-dependent
 conductances stand in for what are now known to be voltage-gated ion
 channels.
 
-For a detailed run through of the Hodgkin-Huxley model's electronics, math and 
-biology, take a look at the `Electrophysiology page <_static/Electrophysiology.html>`_. 
+For a detailed run through of the Hodgkin-Huxley model's electronics, math and
+biology, take a look at the `Electrophysiology page <_static/Electrophysiology.html>`_.
 
-After you understand the electronic model there, check out the 
+After you understand the electronic model there, check out the
 `code walkthrough <_static/Tutorial.html>`_ to see an example
 implementation of the Hodgkin-Huxley model in Python, using a cell
 modeled in `NeuroML2 <https://www.neuroml.org/neuromlv2>`_.
@@ -41,7 +41,7 @@ You can look at the `current-voltage characteristic page <_static/iv_curve.html>
 to get an understanding of another biological-electronic equivalence
 that is useful in describing ion channel and cell models.
 
-There are also some `exercises <_static/Exercises.html>`_ you can complete to get a feel for the model. These 
+There are also some `exercises <_static/Exercises.html>`_ you can complete to get a feel for the model. These
 can be completed using either the Python or NeuroML versions.
 
 Table of Contents:
@@ -54,4 +54,3 @@ Table of Contents:
    _toc/iv_curve
    _toc/Exercises
    _toc/Source
-