diff --git a/docker-compose.yml b/docker-compose.yml
index 8d1bac6..d1328d8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,6 @@
-version: "3"
-
+# The docker-compose.yml file is __only__ used for local development.
+# This means that changes to this file will not affect cloud deployments in any way.
+# Read more at https://docs.divio.com/reference/docker-docker-compose/
 services:
   web:
     build: .
@@ -9,6 +10,8 @@ services:
       - ".:/app:rw"
       - "./data:/data:rw"
       - "node_modules:/app/node_modules"
+    # The following command is used to start the local development server.
+    # Removing this line will mimic the deployment behaviour on Divio Cloud.
     command: npm run develop -- --host 0.0.0.0
 
 volumes: