added link to friendica addons (took me ~30 mins to find out I need to download it first!)

How-to:-Friendica’s-Facebook-connector.md

@@ -101,7 +101,7 @@ When you have confirmed and saved all your entries, you will be given the desire
 
 Friendica now gives you a convenient admin panel for the plugin, _so you no longer need to edit ``.htconfig.php`` manually, as formerly necessary and possibly prescribed in your help files._
 
-All you need to do is go to your _Administration_ settings and visit the _Plugins_. Click to activate the _Facebook Connector_, then click on its name to configure it. You’ll see the two fields where you can enter the _App ID_  and _App Secret_ you have just received. Copy them to those fields and hit _Save_. 
+All you need to do is go to your _Administration_ settings and visit the _Plugins_. Click to activate the _Facebook Connector_, then click on its name to configure it. (If there is no Facebook Plugin listed, you need to download it first from [friendica Addons](https://github.com/friendica/friendica-addons).) You’ll see the two fields where you can enter the _App ID_  and _App Secret_ you have just received. Copy them to those fields and hit _Save_. 
 
 At this point, it’s a very good idea to _Activate Real-Time Updates_ to get Facebook posts as they happen. If you don’t, the default Facebook poll interval is one hour. _(This interval can be decreased, but that would affect system resources dramatically and could make the system un-useable depending on the number of Facebook streams/items to process. With real-time updates, system resource usage will be significantly lower overall.)_
 
@@ -120,4 +120,4 @@ _$a->config['system']['lockpath'] = "/path/to/lockfile";_
 
 So, if you use /var/www/friendica, it would be:
 
-_($a->config['system']['lockpath'] = "/var/www/friendica";_
+_($a->config['system']['lockpath'] = "/var/www/friendica";_