typo fix (#5713)

Author: MongoCaleb

source/tutorial/model-embedded-one-to-many-relationships-between-documents.txt

@@ -63,10 +63,10 @@ belonging to the same ``patron``:
 Embedded Document Pattern
 ~~~~~~~~~~~~~~~~~~~~~~~~~
 
-In this example the application needs to display information for the ``patron`` and both 
-``address`` objects on a single page. To allow your application to retreive all necessary 
-information with a single query, embed the ``address one`` and ``address two`` information 
-inside of the ``patron`` document: 
+In this example the application needs to display information for the ``patron`` 
+and both ``address`` objects on a single page. To allow your application to 
+retrieve all necessary information with a single query, embed the ``address one`` 
+and ``address two`` information inside of the ``patron`` document: 
 
 .. code-block:: javascript