DOCSP-12376 findOneAndUpdate change (#6025) (#6029)

Co-authored-by: jason-price-mongodb <jshfjghsdfgjsdjh@aolsdjfhkjsdhfkjsdf.com>

Co-authored-by: jason-price-mongodb <jshfjghsdfgjsdjh@aolsdjfhkjsdhfkjsdf.com>

Author: jason-price-mongodb

source/reference/method/db.collection.findOneAndUpdate.txt

@@ -72,8 +72,8 @@ Definition
           Starting in MongoDB 4.0.12+ (and 3.6.14+ and 3.4.23+), the operation errors if the query argument
           is not a document.
 
+          If no document matches the ``filter``, no document is updated.
 
-   
       * - ``update``
 
         - document
@@ -157,16 +157,10 @@ Definition
           modify for an update operation on an array field.
 
           .. include::  /includes/extracts/arrayFilters-details.rst
-          
-          
+
           For examples, see :ref:`findOneAndUpdate-arrayFilters`.
 
           .. versionadded:: 3.6
-          
-          
-          
-   
-
 
    :returns:
 
@@ -180,7 +174,9 @@ Document Match
 ~~~~~~~~~~~~~~
 
 :method:`db.collection.findOneAndUpdate()` updates the first matching
-document in the collection that matches the ``filter``.
+document in the collection that matches the ``filter``. If no document
+matches the ``filter``, no document is updated.
+
 The ``sort`` parameter can be used to influence which document is updated.
 
 Projection