Untangle comments about rsync on directories

_episodes/16-transferring-files.md

@@ -340,8 +340,9 @@ If your home directory _is_ the destination, you can leave the destination
 field blank, or type `~` -- the shorthand for your home directory -- for
 completeness.
 
-With `scp`, a trailing slash on the target directory is optional, and has
-no effect. It is important for other commands, like `rsync`.
+With `scp`, directories can be uploaded using the `-r` option. A trailing
+slash on a source directory is optional, and has no effect. It is important
+for other commands, like `rsync`.
 
 > ## A Note on `rsync`
 >
@@ -375,10 +376,10 @@ no effect. It is important for other commands, like `rsync`.
 > {: .language-bash}
 >
 > As written, this will place the local directory and its contents under your
-> home directory on the remote system. If the trailing slash is omitted on
-> the destination, a new directory corresponding to the transferred directory
-> will not be created, and the contents of the source
-> directory will be copied directly into the destination directory.
+> home directory on the remote system. If a trailing slash is added to the
+> source, a new directory corresponding to the transferred directory
+> will not be created, and the contents of the source directory will be
+> copied directly into the destination directory.
 >
 > To download a file, we simply change the source and destination:
 >