Fixed typos and added clarifications in a tutorial

I was working through the wiki2 tutorial this morning and found some
slightly confusing bits. As I went along, I added the suggested changes
to my local files to make them match the tutorial's version, but found
several times that key parts were missing.

I'm not new to Python so this didn't slow me down, but thought some
clarifications might help new users.

1 files changed, 8 insertions, 0 deletions

diff --git a/docs/tutorials/wiki2/definingmodels.rst b/docs/tutorials/wiki2/definingmodels.rst
index 1661753c1..e5d283125 100644
--- a/docs/tutorials/wiki2/definingmodels.rst
+++ b/docs/tutorials/wiki2/definingmodels.rst
@@ -26,6 +26,14 @@ The first thing we want to do is remove the stock ``MyModel`` class from the
 generated ``models.py`` file.  The ``MyModel`` class is only a sample and
 we're not going to use it.
 
+Next, we'll remove the :class:`sqlalchemy.Unicode` import and replace it
+with :class:`sqlalchemy.Text`.
+
+.. literalinclude:: src/models/tutorial/models.py
+   :lines: 5
+   :linenos:
+   :language: py
+
 Then, we'll add a ``Page`` class.  Because this is a SQLAlchemy
 application, this class should inherit from an instance of
 :class:`sqlalchemy.ext.declarative.declarative_base`.  Declarative