Fixed #16090, #16091, #16114 - Typos in docs; thanks teraom.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16300 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/internals/contributing/writing-code/unit-tests.txt

@@ -26,7 +26,7 @@ Quickstart
 ~~~~~~~~~~
 
 Running the tests requires a Django settings module that defines the
-databases to use. To make it easy to get started. Django provides a
+databases to use. To make it easy to get started, Django provides a
 sample settings module that uses the SQLite database. To run the tests
 with this sample ``settings`` module, ``cd`` into the Django
 ``tests/`` directory and run:

docs/ref/class-based-views.txt

@@ -431,7 +431,7 @@ FormMixin
 
     .. method:: get_form_kwargs()
 
-        Build the keyword arguments requried to instanciate an the form.
+        Build the keyword arguments required to instantiate the form.
 
         The ``initial`` argument is set to :meth:`.get_initial`. If the
         request is a ``POST`` or ``PUT``, the request data (``request.POST``

docs/ref/models/instances.txt

@@ -38,7 +38,7 @@ There are three steps involved in validating a model:
     2. Validate the model as a whole
     3. Validate the field uniqueness
 
-All three steps are performed when you call by a model's
+All three steps are performed when you call a model's
 ``full_clean()`` method.
 
 When you use a ``ModelForm``, the call to ``is_valid()`` will perform