diff --git a/docker-compose.override.yml b/docker-compose.override.yml
index daba818..1236c3b 100644
--- a/docker-compose.override.yml
+++ b/docker-compose.override.yml
@@ -4,10 +4,12 @@ version: "3.4"
 services:
   php:
     volumes:
+      # The "cached" option has no effect on Linux but improves performance on Mac
       - ./:/srv/app:rw,cached
       - ./docker/php/conf.d/symfony.dev.ini:/usr/local/etc/php/conf.d/symfony.ini
-      # If you develop on Linux, comment out the following volumes to just use bind-mounted project directory from host
-      # - ./var:/srv/app/var:rw
+      # If you develop on Mac you can remove the var/ directory from the bind-mount
+      # for better performance by enabling the next line 
+      # - /srv/app/var
     environment:
       APP_ENV: dev