diff --git a/start/image+container.txt b/start/image+container.txt
index 756c87f..f2c16f7 100644
--- a/start/image+container.txt
+++ b/start/image+container.txt
@@ -2,4 +2,7 @@ docker image build -t "react-redux-course:1.0.19" .
 docker run -p 5050:80 -it react-redux-course:1.0.19
 
 Multiple ports:
-docker run -p 5050:80 -p 3001:3001 -it react-redux-course:1.0.20
\ No newline at end of file
+docker run -p 5050:80 -p 3001:3001 -it react-redux-course:1.0.20
+
+
+Source for scripts that start multiple processes in the same docker container: https://docs.docker.com/config/containers/multi-service_container/
\ No newline at end of file