diff --git a/grouper-to-midpoint-docker/README b/grouper-to-midpoint-docker/README
index 7841610..129b849 100644
--- a/grouper-to-midpoint-docker/README
+++ b/grouper-to-midpoint-docker/README
@@ -37,6 +37,8 @@ changeLog.consumer.rabbitMqMessagingSample.publisher.queueOrTopicName = sampleTo
 Other Grouper Messaging configuration items may need to be adjusted
 to match your settings in connection.properties.
 
+After building the jar file via maven (for example "mvn clean install") proceed with building the container.
+
 Example Docker build and run syntax:
 
 docker build .