Fix Links to Boot Documentation

Author: garyrussell

spring-kafka-docs/src/main/asciidoc/kafka.adoc

@@ -3982,7 +3982,7 @@ Starting with version 2.3, all the JSON-aware components are configured by defau
 Also such an instance is supplied with well-known modules for custom data types, such a Java time and Kotlin support.
 See `JacksonUtils.enhancedObjectMapper()` JavaDocs for more information.
 This method also registers a `org.springframework.kafka.support.JacksonMimeTypeModule` for `org.springframework.util.MimeType` objects serialization into the plain string for inter-platform compatibility over the network.
-A `JacksonMimeTypeModule` can be registered as a bean in the application context and it will be auto-configured into https://docs.spring.io/spring-boot/docs/current/reference/html/howto-spring-mvc.html#howto-customize-the-jackson-objectmapper[Spring Boot `ObjectMapper` instance].
+A `JacksonMimeTypeModule` can be registered as a bean in the application context and it will be auto-configured into the https://docs.spring.io/spring-boot/docs/current/reference/html/howto.html#howto.spring-mvc.customize-jackson-objectmapper[Spring Boot `ObjectMapper` instance].
 
 Also starting with version 2.3, the `JsonDeserializer` provides `TypeReference`-based constructors for better handling of target generic container types.
 
@@ -4034,7 +4034,7 @@ consumerProps.put(JsonDeSerializer.TYPE_MAPPINGS, "cat:com.yourcat.Cat, hat:com.
 
 IMPORTANT: The corresponding objects must be compatible.
 
-If you use https://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-messaging.html#boot-features-kafka[Spring Boot], you can provide these properties in the `application.properties` (or yaml) file.
+If you use https://docs.spring.io/spring-boot/docs/current/reference/html/messaging.html#messaging.kafka[Spring Boot], you can provide these properties in the `application.properties` (or yaml) file.
 The following example shows how to do so:
 
 ====

spring-kafka-docs/src/main/asciidoc/quick-tour.adoc

@@ -58,7 +58,7 @@ This quick tour works with the following versions:
 ==== Getting Started
 
 The simplest way to get started is to use https://start.spring.io[start.spring.io] (or the wizards in Spring Tool Suits and Intellij IDEA) and create a project, selecting 'Spring for Apache Kafka' as a dependency.
-Refer to the https://docs.spring.io/spring-boot/docs/current/reference/html/spring-boot-features.html#boot-features-kafka[Spring Boot documentation] for more information about its opinionated auto configuration of the infrastructure beans.
+Refer to the https://docs.spring.io/spring-boot/docs/current/reference/html/messaging.html#messaging.kafka[Spring Boot documentation] for more information about its opinionated auto configuration of the infrastructure beans.
 
 Here is a minimal consumer application.