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DOCS-9742: fix aggregation example #1462

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Jan 11, 2017
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DOCS-9742: fix aggregation example #1462

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12 changes: 5 additions & 7 deletions docs/reference/content/tutorials/aggregation.md
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Original file line number Diff line number Diff line change
Expand Up @@ -29,9 +29,9 @@ and operators, see the
[manual:](https://docs.mongodb.com/manual/core/aggregation-pipeline/)

The following example uses the aggregation pipeline on the
``restaurants`` sample dataset to find
a list of the total number of 5-star restaurants, grouped by restaurant
category.
[restaurant](https://docs.mongodb.org/getting-started/node/import-data/)
sample dataset to find a list of restaurants located in the Bronx,
grouped by restaurant category.

```js
var MongoClient = require('mongodb').MongoClient
Expand All @@ -48,9 +48,9 @@ MongoClient.connect(url, function(err, db) {
var simplePipeline = function(db, callback) {
var collection = db.collection( 'restaurants' );
collection.aggregate(
[ { '$match': { "stars": 5 } },
[ { '$match': { "borough": "Bronx" } },
{ '$unwind': '$categories'},
{ '$group': { '_id': "$categories", 'fiveStars': { '$sum': 1 } } }
{ '$group': { '_id': "$categories", 'Bronx restaurants': { '$sum': 1 } } }
],
function(err, results) {
assert.equal(err, null);
Expand Down Expand Up @@ -179,5 +179,3 @@ var simpleDistinct = function(db, callback) {
);
}
```