Updated Setup Guide (markdown)

Setup-Guide.md

@@ -26,6 +26,12 @@ Maybe you want to make sure everything you get is either `(h|x)264`, `(h|x)265`
 
 * Cardigann is currently NOT supported by Radarr and won't be until they fix this issue [cardigann/#327](https://github.com/cardigann/cardigann/issues/327).
 
+## Download Client
+**Completed Download Handling**
+
+You want to use this and you *don't* want to use the Drone Factory option. This lets Radarr work with the downloader to figure out when a download succeeds or fails as well as the path to the downloaded file. The `0` in the interval disables it and you *really really* don't want the folder setting to point at the same folder your downloader(s) point to.
+![Completed Download Handling](http://i.imgur.com/sMHzCIm.png)
+
 ## Folder Structure and Root Folders
 
 * You need to set up Root Folders before anything else after you get Radarr running. You can do this by going to Add movies and Searching for any movie. Choose Add a different Path to configure your folders.