Reference a site snippet for Filezilla in the transferring-files lesson

_episodes/16-transferring-files.md

@@ -448,6 +448,8 @@ Hit "Quickconnect" to connect. You should see your remote files appear on the
 right hand side of the screen. You can drag-and-drop files between the left
 (local) and right (remote) sides of the screen to transfer files.
 
+{% include {{ site.snippets }}/filezilla-remote-instructions.snip %}
+
 Finally, if you need to move large files (typically larger than a gigabyte)
 from one remote computer to another remote computer, SSH in to the computer
 hosting the files and use `scp` or `rsync` to transfer over to the other. This