diff --git a/custom_app/README.md b/custom_app/README.md
index 810d77da..820ae7bc 100644
--- a/custom_app/README.md
+++ b/custom_app/README.md
@@ -38,3 +38,7 @@ docker-compose restart backend
 ```
 
 Cool! You just containerized your app!
+
+## Installing multiple apps
+
+Both backend and frontend builds contain `install-app` script that places app where it should be. Each call to script installs given app. Usage: `install-app [APP_NAME] [BRANCH?] [GIT_URL?]`.