DOCSP-24208 improve supplies example (#4141) (#4157)

* DOCSP-24208 just added some copyable falses

* made improvements

* minimalism

Author: gmiller-mdb

source/reference/operator/aggregation/unionWith.txt

@@ -87,13 +87,13 @@ SQL statement:
 Considerations
 --------------
 
-Duplicates Results
+Duplicate Results
 ~~~~~~~~~~~~~~~~~~
 
 The combined results from the previous stage and the
 :pipeline:`$unionWith` stage can include duplicates.
 
-For example, create a suppliers collection:
+For example, create a ``suppliers`` collection and a ``warehouses`` collection:
 
 .. code-block:: javascript
 
@@ -111,9 +111,8 @@ For example, create a suppliers collection:
      { _id: 3, warehouse: "C", region: "East", state: "Florida" },
    ])
 
-The following aggregation which combines the results from the ``state``
-field projection from the ``suppliers`` collection with the results
-from the ``state`` field projection from the ``warehouse`` collection:
+The following aggregation combines the ``state`` field projection results from 
+the ``suppliers`` and ``warehouse`` collections.
 
 .. code-block:: javascript
 
@@ -122,11 +121,11 @@ from the ``state`` field projection from the ``warehouse`` collection:
       { $unionWith: { coll: "warehouses", pipeline: [ { $project: { state: 1, _id: 0 } } ]} }
    ])
 
-As can be seen from the returned documents, the result set contains
-duplicates:
+The result set contains duplicates:
 
 .. code-block:: javascript
    :emphasize-lines: 2,5
+   :copyable: false
 
    { "state" : "Texas" }
    { "state" : "Colorado" }
@@ -149,6 +148,7 @@ group by the ``state`` field:
 The result set no longer contains duplicates:
 
 .. code-block:: javascript
+  :copyable: false
 
    { "_id" : "California" }
    { "_id" : "Texas" }