diff --git a/source/reference/operator/aggregation/lookup.txt b/source/reference/operator/aggregation/lookup.txt
index 68c72046ab0..0091f9c56a2 100644
--- a/source/reference/operator/aggregation/lookup.txt
+++ b/source/reference/operator/aggregation/lookup.txt
@@ -93,8 +93,8 @@ The :pipeline:`$lookup` takes a document with these fields:
      - .. _lookup-eq-as:
      
        Specifies the name of the new array field to add to the input
-       documents. The new array field contains the matching
-       documents from the ``from`` collection. If the specified name
+       documents. The new array field contains the matching documents
+       from the foreign ``from`` collection. If the specified name
        already exists in the input document, the existing field is
        *overwritten*.
 
@@ -211,10 +211,11 @@ The :pipeline:`$lookup` stage accepts a document with these fields:
 
      - .. _lookup-join-as:
      
-       Specifies the name of the new array field to add to the joined
+       Specifies the name of the new array field to add to the input
        documents. The new array field contains the matching documents
-       from the joined collection. If the specified name already exists
-       in the joined document, the existing field is overwritten.
+       from the foreign ``from`` collection. If the specified name
+       already exists in the input document, the existing field is
+       *overwritten*.
 
 The operation corresponds to this pseudo-SQL statement:
 
@@ -336,10 +337,11 @@ The :pipeline:`$lookup` accepts a document with these fields:
 
      - .. _lookup-concise-correlated-subquery-as:
      
-       Specifies the name of the new array field to add to the foreign
+       Specifies the name of the new array field to add to the input
        documents. The new array field contains the matching documents
-       from the foreign collection. If the specified name already exists
-       in the foreign document, the existing field is overwritten.
+       from the foreign ``from`` collection. If the specified name
+       already exists in the input document, the existing field is
+       *overwritten*.
 
 The operation corresponds to this pseudo-SQL statement: