diff --git a/src/docker-compose.yml-EXAMPLE b/src/docker-compose.yml-EXAMPLE
index 79086d6..957b0e1 100644
--- a/src/docker-compose.yml-EXAMPLE
+++ b/src/docker-compose.yml-EXAMPLE
@@ -273,7 +273,8 @@ services:
         #######
         # DEV #
         #######
-        # set to true for development
+        # set to true in a development environment.
+        # This will remove php cache, serve assets directly (instead of the brotli/gzip version) and make composer available.
         # default value: false
         #- DEV_MODE=false