[1.3.X] Fixed #17757 - Typo in docs/intro/overview.txt; thanks kaushik1618.

for templates. If a template doesn't exist in the first directory, it checks the

second, and so on.

Let's say the ``news/article_detail.html`` template was found. Here's what that

Let's say the ``news/year_archive.html`` template was found. Here's what that

might look like:

.. code-block:: html+django