diff --git a/README.md b/README.md
index 5f44962..138c6f8 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,8 @@ This will bring up several containers:
 
 #### Build and Contribute
 
+**Please note that the Dockerfile included builds a production ready container which has opcache switched on and xdebug turned off, so you will only see your changes every 5 minutes if you are developing. To actively develop, change the ```FROM vesica/php72:latest``` line to ```vesica/php72:dev```.**
+
 With the above ```docker-compose up``` command your code is mapped to the aa-app docker container. You can make any changes and simply refresh the page to see them in real-time.
 
 ## Scaling and Sizing