diff --git a/source/reference/operator/aggregation/setWindowFields.txt b/source/reference/operator/aggregation/setWindowFields.txt
index d272800ebd1..ec75dfaa32f 100644
--- a/source/reference/operator/aggregation/setWindowFields.txt
+++ b/source/reference/operator/aggregation/setWindowFields.txt
@@ -196,6 +196,8 @@ fields:
        
        - ``"year"``
        
+       - ``"quarter"``
+
        - ``"month"``
 
        - ``"week"``