diff --git a/README.adoc b/README.adoc
index 7e1e0d5..027e4de 100644
--- a/README.adoc
+++ b/README.adoc
@@ -34,7 +34,7 @@ To build the samples do:
 * `stream-listener` shows how to use StreamListener support to enable message mapping and automatic type conversion.
 
 * `test-embedded-kafka` is a sample that shows how to test with an embedded Apache Kafka broker.
-We generally recommend testing with the http://docs.spring.io/spring-cloud-stream/docs/current/reference/htmlsingle/#_testing[TestSupportBinder] but if you have a need for testing with an embedded broker, you can use the techniques in this sample.
+We generally recommend testing with the https://docs.spring.io/spring-cloud-stream/docs/current/reference/htmlsingle/#_testing[TestSupportBinder] but if you have a need for testing with an embedded broker, you can use the techniques in this sample.
 
 * `transform` is a simple pass through logging transformer (just logs the incoming message and passes it on).
 
diff --git a/test-embedded-kafka/README.md b/test-embedded-kafka/README.md
index 699c3e8..1a38cee 100644
--- a/test-embedded-kafka/README.md
+++ b/test-embedded-kafka/README.md
@@ -17,7 +17,7 @@ This sample is a Spring Boot application that uses Spring Cloud Stream to receiv
 * EmbeddedKafkaApplicationTests - the test case
 
 The `spring-kafka-test` dependency added to the `pom.xml` puts the `KafkaEmbedded` JUnit `@Rule` on the class path.
-Refer to the [Spring for Apache Kafka Reference Manual](http://docs.spring.io/spring-kafka/reference/htmlsingle/#testing) for more information about this.
+Refer to the [Spring for Apache Kafka Reference Manual](https://docs.spring.io/spring-kafka/reference/htmlsingle/#testing) for more information about this.
 Notice how the `@BeforeClass` method sets up the Boot and binder properties to locate the servers.