diff --git a/.env.example b/.env.example
index 2ac8d83..db047f5 100644
--- a/.env.example
+++ b/.env.example
@@ -1,4 +1,5 @@
-DATABASE_URL=postgresql://user:password@localhost/dbname
+# by default, simplelink uses an sqlite db in /data, to use a postgres db, set DATABASE_URl
+# DATABASE_URL=postgresql://user:password@localhost/dbname
 SERVER_HOST=127.0.0.1
 SERVER_PORT=8080
 JWT_SECRET=change-me-in-production