query api updates (#65)

Author: terakilobyte

source/fundamentals/aggregation.txt

@@ -14,7 +14,7 @@ Overview
 --------
 
 Aggregation operations process data in your MongoDB collections and return computed results. MongoDB's Aggregation
-framework is modeled on the concept of data processing pipelines. Documents enter a multi-staged pipeline that
+pipeline, part of the Query API, is modeled on the concept of data processing pipelines. Documents enter a multi-staged pipeline that
 transforms the documents into an aggregated result.
 
 Another way to think of aggregation is like a car factory. Within the car factory is an assembly line, along which

source/fundamentals/indexes.txt

@@ -31,7 +31,7 @@ Indexes also:
 
    Indexes are also used by update operations when finding the document(s) to update, delete operations when finding the
    document(s) to delete, and by :manual:`certain stages </core/aggregation-pipeline/#pipeline-operators-and-indexes>` in
-   the aggregation framework.
+   the aggregation pipeline.
 
 Query Coverage and Performance
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~