diff --git a/youtube/youtube-worker/README.md b/youtube/youtube-worker/README.md
index ea8e363..a6a1567 100644
--- a/youtube/youtube-worker/README.md
+++ b/youtube/youtube-worker/README.md
@@ -1,7 +1,7 @@
 youtube-worker
 ==============
 
-youtube-worker = youtube-dl + redis
+`youtube-worker` = `youtube-dl` + `redis`
 
 ## docker-compose.yml
 
@@ -13,6 +13,7 @@ worker:
   volumes:
     - data:/data
   environment:
+    - DATABASE=1
     - PASSWORD=secret-passwd
     - FORMAT=worst
     - OUTTMPL=%(id)s.%(ext)s
@@ -44,7 +45,8 @@ worker_1 | [youtube] os6U77Hhm_s: Downloading video info webpage
 worker_1 | [youtube] os6U77Hhm_s: Extracting video information
 worker_1 | [youtube] os6U77Hhm_s: Downloading DASH manifest
 worker_1 | [youtube] os6U77Hhm_s: Downloading DASH manifest
-worker_1 | [download] Destination: Shia LaBeouf TED Talk-os6U77Hhm_s.mp4
+worker_1 | [info] Writing video description metadata as JSON to: os6U77Hhm_s.info.json
+worker_1 | [download] Destination: os6U77Hhm_s.mp4
 [download] 100% of 11.03MiB in 00:0014MiB/s ETA 00:001nown ETA
 worker_1 | 2015-07-12T17:50:07 [INFO] success: True
 ```
@@ -52,22 +54,23 @@ worker_1 | 2015-07-12T17:50:07 [INFO] success: True
 ## client
 
 ```
-$ redis-cli -h server -a 'secret-passwd'
-server> lpush pending os6U77Hhm_s
-server> keys *
+$ redis-cli -h server -n 1 -a 'secret-passwd'
+server[1]> lpush pending os6U77Hhm_s
+server[1]> keys *
 1) "pending"
-server> keys *
+server[1]> keys *
 1) "running"
-server> keys *
+server[1]> keys *
 1) "finished"
-server> quit
+server[1]> quit
 
 $ rsync -ahP user@server:fig/youtube/data
 receiving file list ...
 2 files to consider
 drwxr-xr-x          74 2015/07/13 01:50:07 data
--rw-r--r--    11569834 2015/06/15 17:19:16 data/Shia LaBeouf TED Talk-os6U77Hhm_s.mp4
+-rw-r--r--       19722 2015/06/15 17:19:16 data/os6U77Hhm_s.info.json
+-rw-r--r--    11569834 2015/06/15 17:19:16 data/os6U77Hhm_s.mp4
 
 sent 16 bytes  received 116 bytes  29.33 bytes/sec
-total size is 11.57M  speedup is 87650.26
+total size is 11.78M  speedup is 87650.26
 ```
diff --git a/youtube/youtube-worker/docker-compose.yml b/youtube/youtube-worker/docker-compose.yml
index fdad23e..591e393 100644
--- a/youtube/youtube-worker/docker-compose.yml
+++ b/youtube/youtube-worker/docker-compose.yml
@@ -5,7 +5,10 @@ worker:
   volumes:
     - data:/data
   environment:
+    - DATABASE=1
     - PASSWORD=secret-passwd
+    - FORMAT=worst
+    - OUTTMPL=%(id)s.%(ext)s
   restart: always
 
 redis: