Fix typo in data-access section

See gh-29048

src/docs/asciidoc/data-access.adoc

@@ -1520,7 +1520,7 @@ programming arrangements as the following listing shows:
 
 Note that there are special considerations for the returned `Publisher` with regards to
 Reactive Streams cancellation signals. See the <<tx-prog-operator-cancel>> section under
-"Using the TransactionOperator" for more details.
+"Using the TransactionalOperator" for more details.
 
 
 [[transaction-declarative-annotations-method-visibility]]
@@ -2474,32 +2474,32 @@ different settings (for example, a different isolation level), you need to creat
 two distinct `TransactionTemplate` instances.
 
 [[tx-prog-operator]]
-==== Using the `TransactionOperator`
+==== Using the `TransactionalOperator`
 
-The `TransactionOperator` follows an operator design that is similar to other reactive
+The `TransactionalOperator` follows an operator design that is similar to other reactive
 operators. It uses a callback approach (to free application code from having to do the
 boilerplate acquisition and release transactional resources) and results in code that is
 intention driven, in that your code focuses solely on what you want to do.
 
-NOTE: As the examples that follow show, using the `TransactionOperator` absolutely
+NOTE: As the examples that follow show, using the `TransactionalOperator` absolutely
 couples you to Spring's transaction infrastructure and APIs. Whether or not programmatic
 transaction management is suitable for your development needs is a decision that you have
 to make yourself.
 
 Application code that must run in a transactional context and that explicitly uses
-the `TransactionOperator` resembles the next example:
+the `TransactionalOperator` resembles the next example:
 
 [source,java,indent=0,subs="verbatim,quotes",role="primary"]
 .Java
 ----
 	public class SimpleService implements Service {
 
-		// single TransactionOperator shared amongst all methods in this instance
+		// single TransactionalOperator shared amongst all methods in this instance
 		private final TransactionalOperator transactionalOperator;
 
 		// use constructor-injection to supply the ReactiveTransactionManager
 		public SimpleService(ReactiveTransactionManager transactionManager) {
-			this.transactionOperator = TransactionalOperator.create(transactionManager);
+			this.transactionalOperator = TransactionalOperator.create(transactionManager);
 		}
 
 		public Mono<Object> someServiceMethod() {