fixing typo in nested-aggregation.asciidoc
A special single bucket aggregation that enables aggregating nested documents.
-For example, lets say we have a index of products, and each product holds the list of resellers - each having its own
+For example, lets say we have an index of products, and each product holds the list of resellers - each having its own
price for the product. The mapping could look like:
[source,js]
