DOCSP-21043: Fix minor typo and small copy edits. (#783) (#791)

* DOCSP-21043: Fix minor typo and small copy edits.

* DOCSP-21043: Revert linking edit.

Co-authored-by: Sarah Olson <[email protected]>

Co-authored-by: Sarah Olson <[email protected]>

Author: sarah-olson-mongodb

source/reference/operator/aggregation/bucketAuto.txt

@@ -15,8 +15,6 @@ Definition
 
 .. pipeline:: $bucketAuto
 
-   .. versionadded:: 3.4
-
    Categorizes incoming documents into a specific number of groups, 
    called buckets, based on a specified expression. Bucket boundaries
    are automatically determined in an attempt to evenly distribute the
@@ -170,9 +168,9 @@ Considerations
 
 The :pipeline:`$bucketAuto` stage has a limit of 100 megabytes of RAM.
 By default, if the stage exceeds this limit, :pipeline:`$bucketAuto`
-returns an error. To allow more space for stage processing, use the
-use the :ref:`allowDiskUse <aggregate-cmd-allowDiskUse>` option to
-enable aggregation pipeline stages to write data to temporary files.
+returns an error. To allow more space for stage processing, use the 
+:ref:`allowDiskUse <aggregate-cmd-allowDiskUse>` option to enable aggregation 
+pipeline stages to write data to temporary files.
 
 .. seealso::