trivial: update objectToArray versionadded

kay-kim · kay-kim · commit bf9ce08a9927 · 2018-11-27T11:43:18.000-05:00
diff --git a/source/reference/operator/aggregation/objectToArray.txt b/source/reference/operator/aggregation/objectToArray.txt
@@ -15,7 +15,7 @@ Definition
 
 .. expression:: $objectToArray
 
-   .. versionadded:: 3.6
+   .. versionadded:: 3.4.4
 
    Converts a document to an array. The return array contains a
    element for each field/value pair in the original document.
