pkg: fix documentation (docker -> archive)
pkg_tar creates an archive, not a docker image.
@@ -162,7 +162,7 @@ Creates a tar file from a list of inputs.
<code>List of files, optional</code>
<p>File to add to the layer.</p>
<p>
- A list of files that should be included in the docker image.
+ A list of files that should be included in the archive.
</p>
</td>
</tr>
