diff --git a/source/tutorial/write-a-tumblelog-application-with-flask-mongoengine.txt b/source/tutorial/write-a-tumblelog-application-with-flask-mongoengine.txt
index 5756d10f123..1fb32ee0700 100644
--- a/source/tutorial/write-a-tumblelog-application-with-flask-mongoengine.txt
+++ b/source/tutorial/write-a-tumblelog-application-with-flask-mongoengine.txt
@@ -572,9 +572,9 @@ Add Basic Authentication
 ~~~~~~~~~~~~~~~~~~~~~~~~
 
 For the purposes of this tutorial all we need is a very basic form of
-authentication.  The following example borrows from the an example
-Flask "`Auth snippet <http://flask.pocoo.org/snippets/8/>`_". Create
-the file :file:`auth.py` with the following content:
+authentication.  The following example borrows from an example Flask
+"`Auth snippet <http://flask.pocoo.org/snippets/8/>`_". Create the file
+:file:`auth.py` with the following content:
 
 .. code-block:: python