Polish "Document how to parameterize REST Docs' output dir with WebTestClient"

See gh-27755

spring-boot-project/spring-boot-docs/src/docs/asciidoc/spring-boot-features.adoc

@@ -8063,14 +8063,12 @@ If you require more control over Spring REST Docs configuration than offered by
 include::{code-examples}/test/autoconfigure/restdocs/webclient/AdvancedConfigurationExample.java[tag=configuration]
 ----
 
-If you want to make use of Spring REST Docs support for a parameterized output directory, you can create a `WebTestClientBuilderCustomizer` bean.
-The auto-configuration calls this `WebTestClientBuilderCustomizer` in order to create the `WebTestClient` bean for the current context
-with the consumer provided in the parameter of the method `entityExchangeResultConsumer`.
-The following example shows a `WebTestClientBuilderCustomizer` being defined:
+If you want to make use of Spring REST Docs support for a parameterized output directory, you can use a `WebTestClientBuilderCustomizer` to configure a consumer for every entity exchange result.
+The following example shows such a `WebTestClientBuilderCustomizer` being defined:
 
-[source,java,indent=0,subs="verbatim"]
+[source,java,indent=0]
 ----
-include::{code-examples}/test/autoconfigure/restdocs/webclient/MyWebTestClientBuilderCustomizerConfiguration.java[]
+include::{code-examples}/test/autoconfigure/restdocs/webclient/ParameterizedOutputConfigurationExample.java[tag=configuration]
 ----
 
 

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/test/autoconfigure/restdocs/webclient/ParameterizedOutputConfigurationExample.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.boot.docs.features.testing.springbootapplications.autoconfiguredspringrestdocs.withwebtestclient;
+package org.springframework.boot.docs.test.autoconfigure.restdocs.webclient;
 
 import org.springframework.boot.test.context.TestConfiguration;
 import org.springframework.boot.test.web.reactive.server.WebTestClientBuilderCustomizer;
@@ -22,12 +22,18 @@ import org.springframework.context.annotation.Bean;
 
 import static org.springframework.restdocs.webtestclient.WebTestClientRestDocumentation.document;
 
+class ParameterizedOutputConfigurationExample {
+
+	// tag::configuration[]
 	@TestConfiguration(proxyBeanMethods = false)
-public class MyWebTestClientBuilderCustomizerConfiguration {
+	static class ParameterizedOutputConfiguration {
 
 		@Bean
-	public WebTestClientBuilderCustomizer restDocumentation() {
+		WebTestClientBuilderCustomizer restDocumentation() {
 			return (builder) -> builder.entityExchangeResultConsumer(document("{method-name}"));
 		}
 
 	}
+	// end::configuration[]
+
+}