Fix OpenApiCustomizer example link and code

Author: youngwonseo

src/docs/asciidoc/v1/faq.adoc

@@ -301,14 +301,14 @@ springdoc.swagger-ui.path= /swagger-ui/api-docs.html
 === How can I customise the OpenAPI object?
 * You can write your own implementation of `OpenApiCustomizer`.
 * An example is available on:
-** link:https://github.com/springdoc/springdoc-openapi/blob/master/springdoc-openapi-webmvc-core/src/test/java/test/org/springdoc/api/app39/SpringDocApp39Test.java[https://github.com/springdoc/springdoc-openapi/blob/master/springdoc-openapi-webflux-core/src/test/java/test/org/springdoc/api/app39/SpringDocTestApp.java, window="_blank"]
+** link:https://github.com/springdoc/springdoc-openapi/blob/main/springdoc-openapi-starter-webmvc-api/src/test/java/test/org/springdoc/api/v31/app39/SpringDocTestApp.java[https://github.com/springdoc/springdoc-openapi/blob/main/springdoc-openapi-starter-webmvc-api/src/test/java/test/org/springdoc/api/v31/app39/SpringDocTestApp.java, window="_blank"]
 
 [source,java]
 ----
 @Bean
-public OpenApiCustomiser consumerTypeHeaderOpenAPICustomiser() {
-return openApi -> openApi.getPaths().values().stream().flatMap(pathItem -> pathItem.readOperations().stream())
-    .forEach(operation -> operation.addParametersItem(new HeaderParameter().$ref("#/components/parameters/myConsumerTypeHeader")));
+public OpenApiCustomizer customerGlobalHeaderOpenApiCustomizer() {
+    return openApi -> openApi.getPaths().values().stream().flatMap(pathItem -> pathItem.readOperations().stream())
+            .forEach(operation -> operation.addParametersItem(new HeaderParameter().$ref("#/components/parameters/myGlobalHeader")));
 }
 ----