diff --git a/docs/src/main/asciidoc/_configprops.adoc b/docs/src/main/asciidoc/_configprops.adoc
index 4578dd24..63d2c63e 100644
--- a/docs/src/main/asciidoc/_configprops.adoc
+++ b/docs/src/main/asciidoc/_configprops.adoc
@@ -27,6 +27,7 @@
 |spring.cloud.gateway.globalcors.add-to-simple-url-handler-mapping | false | If global CORS config should be added to the URL handler.
 |spring.cloud.gateway.globalcors.cors-configurations |  | 
 |spring.cloud.gateway.httpclient.connect-timeout |  | The connect timeout in millis, the default is 45s.
+|spring.cloud.gateway.httpclient.max-header-size |  | The max response header size.
 |spring.cloud.gateway.httpclient.pool.acquire-timeout |  | Only for type FIXED, the maximum time in millis to wait for aquiring.
 |spring.cloud.gateway.httpclient.pool.max-connections |  | Only for type FIXED, the maximum number of connections before starting pending acquisition on existing ones.
 |spring.cloud.gateway.httpclient.pool.max-idle-time |  | Time in millis after which the channel will be closed. If NULL, there is no max idle time.
diff --git a/spring-cloud-gateway-sample/src/test/java/org/springframework/cloud/gateway/sample/GatewaySampleApplicationTests.java b/spring-cloud-gateway-sample/src/test/java/org/springframework/cloud/gateway/sample/GatewaySampleApplicationTests.java
index 90d43791..32602e27 100644
--- a/spring-cloud-gateway-sample/src/test/java/org/springframework/cloud/gateway/sample/GatewaySampleApplicationTests.java
+++ b/spring-cloud-gateway-sample/src/test/java/org/springframework/cloud/gateway/sample/GatewaySampleApplicationTests.java
@@ -49,8 +49,8 @@ import static org.springframework.boot.test.context.SpringBootTest.WebEnvironmen
  * @author Spencer Gibb
  */
 @RunWith(SpringRunner.class)
-@SpringBootTest(classes = {
-		GatewaySampleApplicationTests.TestConfig.class }, webEnvironment = RANDOM_PORT, properties = "management.server.port=${test.port}")
+@SpringBootTest(classes = { GatewaySampleApplicationTests.TestConfig.class },
+		webEnvironment = RANDOM_PORT, properties = "management.server.port=${test.port}")
 public class GatewaySampleApplicationTests {
 
 	protected static int managementPort;
@@ -195,8 +195,10 @@ public class GatewaySampleApplicationTests {
 		int port;
 
 		@Bean
-		public ServiceInstanceListSupplier fixedServiceInstanceListSupplier(Environment env) {
-			return ServiceInstanceListSupplier.fixed(env).instance("localhost", port, "httpbin").build();
+		public ServiceInstanceListSupplier fixedServiceInstanceListSupplier(
+				Environment env) {
+			return ServiceInstanceListSupplier.fixed(env)
+					.instance("localhost", port, "httpbin").build();
 		}
 
 	}