DOCSP-45883 - Parallelism in transactions (#135) (#137)

(cherry picked from commit 5ea0b78)

Co-authored-by: Mike Woofter <[email protected]>

Author: github-actions[bot]

source/write/transactions.txt

@@ -134,7 +134,11 @@ following steps:
 
 If you require more control over your transactions, you can use the ``start_transaction()``
 method. You can use this method with the ``commit_transaction()`` and ``abort_transaction()``
-methods described in the preceding section to manually manage the transaction lifecycle. 
+methods described in the preceding section to manually manage the transaction lifecycle.
+
+.. note:: Parallel Operations Not Supported
+
+   {+driver-short+} does not support running parallel operations within a single transaction.
 
 Additional Information
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