DOCSP-10439 bits all clear example (#664)

* DOCSP-10439-bitsAllClear-example

* DOCSP-10439-bitsAllClear-example

* DOCSP-10439-bitsAllClear-example

Co-authored-by: jason-price-mongodb <[email protected]>

Author: jason-price-mongodb

source/reference/operator/query/bitsAllClear.txt

@@ -82,15 +82,23 @@ The query matches the following documents:
 BinData Bitmask
 ~~~~~~~~~~~~~~~
 
-The following query uses the :query:`$bitsAllClear` operator to test
-whether field ``a`` has bits clear at positions ``2`` and ``4``
-(the binary representation of ``BinData(0, "ID==")`` is ``00010100``.
+The following query uses the :query:`$bitsAllClear` operator:
 
 .. code-block:: javascript
 
    db.collection.find( { a: { $bitsAllClear: BinData(0, "ID==") } } )
 
-The query matches the following documents:
+The query:
+
+- Specifies ``0`` as the first value for :bsontype:`BinData
+  <data_binary>`, which indicates ``ID==`` is to be interpreted as
+  binary. The base-64 value ``ID==`` in binary is ``00100000``, which
+  has ``1`` in position 5.
+
+- Uses :query:`$bitsAllClear` to return documents where the ``a`` field
+  has a clear bit ``0`` in position 5 of the binary value.
+
+The query returns the following documents:
 
 .. code-block:: javascript