diff --git a/src/_h5ai/client/js/inc/ext/download.js b/src/_h5ai/client/js/inc/ext/download.js
index f61caa04..fbab9e5a 100644
--- a/src/_h5ai/client/js/inc/ext/download.js
+++ b/src/_h5ai/client/js/inc/ext/download.js
@@ -1,10 +1,11 @@
 
-modulejs.define('ext/download', ['_', '$', 'core/settings', 'core/resource', 'core/event', 'core/server'], function (_, $, allsettings, resource, event, server) {
+modulejs.define('ext/download', ['_', '$', 'core/settings', 'core/resource', 'core/event', 'core/server', 'core/entry'], function (_, $, allsettings, resource, event, server, entry) {
 
 	var settings = _.extend({
 			enabled: false,
 			execution: 'php',
-			format: 'zip'
+			format: 'zip',
+			packageName: 'package'
 		}, allsettings.download),
 
 		// formats = ['tar', 'zip'],
@@ -35,7 +36,7 @@ modulejs.define('ext/download', ['_', '$', 'core/settings', 'core/resource', 'co
 			if (json && json.code === 0) {
 				setTimeout(function () { // wait here so the img above can be updated in time
 
-					window.location = '?action=getArchive&id=' + json.id + '&as=package.' + settings.format;
+					window.location = '?action=getArchive&id=' + json.id + '&as=' + (settings.packageName || entry.label) + '.' + settings.format;
 				}, 200);
 			} else {
 				failed();
diff --git a/src/_h5ai/conf/options.json b/src/_h5ai/conf/options.json
index 87bd962b..07cba1f5 100644
--- a/src/_h5ai/conf/options.json
+++ b/src/_h5ai/conf/options.json
@@ -58,7 +58,7 @@ Options
 	Folders possibly visible in the tree view that are not the
 	current folder might not be updated.
 
-	Interval will be a least 1000 milliseconds.
+	- interval: number, update interval in milliseconds, at least 1000
 	*/
 	"autorefresh": {
 		"enabled": true,
@@ -93,7 +93,8 @@ Options
 	File upload via drag'n'drop. Folders are not supported.
 	The working file size seems to be very browser dependent.
 
-	Max file size is in MB.
+	- maxfiles: number, max number of files per upload
+	- maxfilesize: number, file size is in MB
 	*/
 	"dropbox": {
 		"enabled": true,
@@ -103,13 +104,16 @@ Options
 
 	/* [php]
 	Enable packaged download of selected entries.
-	Execution: "php", "shell".
-	Supported formats: "tar", "zip".
+
+	- execution: "php" or "shell"
+	- format: "tar" or "zip"
+	- packageName: basename of the download package, null for current foldername
 	*/
 	"download": {
 		"enabled": true,
 		"execution": "shell",
-		"format": "zip"
+		"format": "zip",
+		"packageName": null
 	},
 
 	/* [all]
@@ -127,7 +131,6 @@ Options
 
 	/* [php]
 	Calc the size of folders.
-	Depends on du.
 	*/
 	"foldersize": {
 		"enabled": true
@@ -156,8 +159,8 @@ Options
 	possible values. Adjust it to your needs. If lang is not found in
 	"langs" it defaults to "en".
 
-	Optionally try to use browser language, falls back to previous
-	specified language.
+	- lang: default language
+	- useBroserLang: boolean, try to use browser language
 	*/
 	"l10n": {
 		"enabled": true,
@@ -174,7 +177,8 @@ Options
 
 	/* [all]
 	Shows the server mode in the bottom left corner.
-	display values:
+
+	- display:
 		0: only show mode
 		1: mode and servername
 		2: mode, servername and -version
@@ -186,16 +190,20 @@ Options
 
 	/* [all]
 	Adds Piwik tracker javascript code.
-	"baseURL" without protocol
+
+	- baseURL: do not include the protocol, e.g. "mydomain.tld/piwik"
+	- idSite: number
 	*/
 	"piwik-analytics": {
 		"enabled": false,
-		"baseURL": "mydomain.tld/piwik",
+		"baseURL": "some/url",
 		"idSite": 1
 	},
 
 	/* [all]
 	Show an image preview on click.
+
+	- types: array of types
 	*/
 	"preview-img": {
 		"enabled": true,
@@ -208,6 +216,8 @@ Options
 	be rendered as HTML.
 
 	For available brushes see http://alexgorbatchev.com/SyntaxHighlighter/manual/brushes/
+
+	- types: maps types to brushes
 	*/
 	"preview-txt": {
 		"enabled": true,
@@ -240,6 +250,8 @@ Options
 
 	/* [all]
 	Show QRCodes on hovering files.
+
+	- size: width and height in pixel
 	*/
 	"qrcode": {
 		"enabled": true,
@@ -265,6 +277,8 @@ Options
 	the column: "n" for "Name", "d" for "Date" or "s" for "Size". The
 	second letter specifies the sort order: "a" for "ascending" or "d"
 	for "descending".
+
+	- order: "na", "nd", "da", "dd", "sa" or "sd"
 	*/
 	"sort": {
 		"enabled": true,
@@ -281,9 +295,11 @@ Options
 	/* [php]
 	Show thumbnails for image files. Needs the "/_{{pkg.name}}/cache" folder to be
 	writable for the web Server.
-	- img thumbnails depend on PHP-GD
-	- mov thumbnails depend on ffmpeg
-	- doc thumbnails depend on convert
+
+	- img: array of types
+	- mov: array of types
+	- doc: array of types
+	- delay: delay in milliseconds after "dom-ready" before thumb-requesting starts
 	*/
 	"thumbnails": {
 		"enabled": true,
@@ -304,7 +320,8 @@ Options
 	Show a folder tree.
 	Note that this might affect performance significantly.
 
-	Slide tree bar into viewport if there is enough space.
+	- slide: boolean, slide tree bar into viewport if there is enough space
+	- maxSubfolders: max number of subfolders to show in tree
 	*/
 	"tree": {
 		"enabled": true,
diff --git a/src/_h5ai/server/php/inc/Archive.php b/src/_h5ai/server/php/inc/Archive.php
index 94715b75..2d6ab6fc 100644
--- a/src/_h5ai/server/php/inc/Archive.php
+++ b/src/_h5ai/server/php/inc/Archive.php
@@ -38,7 +38,8 @@ class Archive {
 				} else {
 					return null;
 				}
-				$cmd = str_replace("[ROOTDIR]", "\"" . $this->app->get_root_abs_path() . "\"", $cmd);
+				// $cmd = str_replace("[ROOTDIR]", "\"" . $this->app->get_root_abs_path() . "\"", $cmd);
+				$cmd = str_replace("[ROOTDIR]", "\"" . $this->app->get_abs_path() . "\"", $cmd);
 				$cmd = str_replace("[TARGET]", "\"" . $target . "\"", $cmd);
 				$cmd = str_replace("[DIRS]", count($this->dirs) ? "\"" . implode("\"  \"", array_values($this->dirs)) . "\"" : "", $cmd);
 				$cmd = str_replace("[FILES]", count($this->files) ? "\"" . implode("\"  \"", array_values($this->files)) . "\"" : "", $cmd);
@@ -76,8 +77,8 @@ class Archive {
 			if ($code == App::$MAGIC_SEQUENCE && !$this->app->is_ignored($n)) {
 
 				$real_file = $this->app->get_abs_path($href);
-				$archived_file = preg_replace("!^" . normalize_path($this->app->get_root_abs_path(), true) . "!", "", $real_file);
-				// $archived_file = preg_replace("!^" . normalize_path($this->app->get_abs_path(), true) . "!", "", $real_file);
+				// $archived_file = preg_replace("!^" . normalize_path($this->app->get_root_abs_path(), true) . "!", "", $real_file);
+				$archived_file = preg_replace("!^" . normalize_path($this->app->get_abs_path(), true) . "!", "", $real_file);
 
 				if (is_dir($real_file)) {
 					$this->add_dir($real_file, $archived_file);