diff --git a/source/reference/operator/aggregation/arrayToObject.txt b/source/reference/operator/aggregation/arrayToObject.txt
index 036d2cbfe54..58c7b2e7f0e 100644
--- a/source/reference/operator/aggregation/arrayToObject.txt
+++ b/source/reference/operator/aggregation/arrayToObject.txt
@@ -88,7 +88,7 @@ Examples
 ``$arrayToObject``  Example
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-Consider a ``inventory`` collection with the following documents:
+Consider an ``inventory`` collection with the following documents:
 
 .. code-block:: javascript