diff --git a/source/tutorial/aggregation-examples.txt b/source/tutorial/aggregation-examples.txt
index 84c2f48de6a..a7532517c41 100644
--- a/source/tutorial/aggregation-examples.txt
+++ b/source/tutorial/aggregation-examples.txt
@@ -133,7 +133,7 @@ following aggregation operation:
 
 .. code-block:: javascript
 
-   db.zipcode.aggregate({ $group :
+   db.zipcodes.aggregate({ $group :
                           { _id : { state : "$state", city : "$city" },
                             pop : { $sum : "$pop" } } },
                         { $group :