Update search-howto-index-cosmosdb-mongodb.md

Author: gmndrg

articles/search/search-howto-index-cosmosdb-mongodb.md

@@ -42,7 +42,7 @@ These are the limitations of this feature:
 
 + The column name `_ts` is a reserved word. If you need this field, consider alternative solutions for populating an index. 
 
-+ The MongoDB attribute `$ref` is a reserved word. If you need this in your data base, consider alternative solutions for populating an index. 
++ The MongoDB attribute `$ref` is a reserved word. If you need this in your MongoDB collection, consider alternative solutions for populating an index. 
 
 
 As an alternative to this connector, if your scenario has any of those requirements, you could use the [Push API/SDK](search-what-is-data-import.md) or consider [Azure Data Factory](../data-factory/connector-azure-cosmos-db.md) with an [Azure Cognitive Search index](../data-factory/connector-azure-search.md) as the sink.