diff --git a/spring-boot-project/spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc b/spring-boot-project/spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc
index 785d11e6341..56f7ad39b77 100644
--- a/spring-boot-project/spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc
+++ b/spring-boot-project/spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc
@@ -5446,8 +5446,9 @@ public class MyBean {
 }
 ----
 
-NOTE: If a `RecordMessageConverter` bean is defined, it is automatically associated to
-the auto-configured `KafkaTemplate`.
+NOTE: If the property `spring.kafka.producer.transaction-id-prefix` is defined, a
+`KafkaTransactionManager` is automatically configured. Also, if a `RecordMessageConverter`
+bean is defined, it is automatically associated to the auto-configured `KafkaTemplate`.
 
 
 [[boot-features-kafka-receiving-a-message]]