diff --git a/docs/tutorials/ffsync/index.md b/docs/tutorials/ffsync/index.md
index 9f994f4..2da39a7 100644
--- a/docs/tutorials/ffsync/index.md
+++ b/docs/tutorials/ffsync/index.md
@@ -2,17 +2,21 @@
 
 **url: `https://ffsync.envs.net/`**
 
+do you use firefox on multiple devices for browsing? then you can use firefox Sync to synchronize your browser data (bookmarks, open tabs, search history, etc.) between all your devices.
+
+for this you first need a firefox account.
+
 ## client configuration
 
 if you are logged into firefox with your firefox account, log out!
 
 ### desktop
 
-to configure desktop firefox to talk to our sync server, go to `about:config`, search for `identity.sync.tokenserver.uri` and change its value to be the url of our server with a path of `token/1.0/sync/1.5`:
+to configure desktop firefox to talk to our sync server, go to [`about:config`](about:config), search for `identity.sync.tokenserver.uri` and change its value to be the url of our server with a path of `token/1.0/sync/1.5`:
 
 `identity.sync.tokenserver.uri: https://ffsync.envs.net/token/1.0/sync/1.5`
 
-after the new sync server is stored, restart Firefox (i.e. close it and open it again).
+after the new sync server is stored, restart firefox (i.e. close it and open it again).
 
 you can now log in your firefox account again.
 
@@ -28,3 +32,8 @@ to configure android firefox 44 up to 78 to talk to our sync server, just set th
 **important:** after creating the android account, changes to "identity.sync.tokenserver.uri" will be ignored. (if you need to change the uri, delete the android account using the "Settings > Sync > Disconnect…" menu item, update the pref, and sign in again.) non-default tokenserver url's are displayed in the "Settings > Sync" panel in firefox for android, so you should be able to verify your url there.
 
 prior to firefox 44, a custom add-on was needed to configure firefox for android. for firefox 43 and earlier, see the blog post [how to connect firefox for android to self-hosted firefox account and firefox sync servers](http://www.ncalexander.net/blog/2014/07/05/how-to-connect-firefox-for-android-to-self-hosted-services/).
+
+## links
+
+- [firefox sync](https://www.mozilla.org/de/firefox/accounts/)
+- [source](https://github.com/mozilla-services/syncserver)