Fix link to change-a-document (#41)

Author: nathan-contino-mongo

source/fundamentals/crud/write-operations/embedded-arrays.txt

@@ -8,9 +8,10 @@ To modify arrays embedded within a document, use the
 :manual:`filtered positional operator
 </reference/operator/update/positional-filtered/index.html>`. You can
 use this operator in an :doc:`update document
-</fundamentals/crud/write-operations/update-document` to modify specific
-elements in an array. The operator determines which elements to modify
-based on a query filter that you define in the ``arrayFilters`` option.
+</fundamentals/crud/write-operations/change-a-document` to modify
+specific elements in an array. The operator determines which elements
+to modify based on a query filter that you define in the
+``arrayFilters`` option.
 
 You can think of ``arrayFilters`` as an subquery applied
 only to documents already matched by the update operation's query filter