Fix

Author: mcmorisi

source/serialization.txt

@@ -117,6 +117,9 @@ it back into a ``Restaurant`` object from the preceding example. Select the
 
          def deserialize_restaurant(doc):
             return Restaurant(name=doc["name"], cuisine=doc["cuisine"])
+         
+         restaurant_doc = collection.find_one({"name": "Example Cafe"})
+         restaurant = deserialize_restaurant(restaurant_doc)
 
    .. tab:: Asynchronous
       :tabid: async