diff --git a/.env.sample b/.env.sample
index a9fbfc3..f2157ea 100644
--- a/.env.sample
+++ b/.env.sample
@@ -60,8 +60,8 @@ REDIS_PORT=6379
 # CACHE_REDIS_NAMESPACE=
 
 # ElasticSearch
-# include compose.elasticsearch.yml
 # --------------------------------------
+#COMPOSE_FILE="$COMPOSE_FILE:compose.elasticsearch.yml"
 ES_HOST=es
 ES_PORT=9200
 
@@ -118,8 +118,8 @@ DEFAULT_LOCALE=en
 # PAPERCLIP_ROOT_URL=
 
 # S3 and AWS
-# include compose.s3.yml
 # ----------
+#COMPOSE_FILE="$COMPOSE_FILE:compose.s3.yml"
 # S3_BUCKET=
 # AWS_ACCESS_KEY_ID=
 # AWS_SECRET_ACCESS_KEY=