diff --git a/www/.htaccess b/www/.htaccess
index 7d2d4fe..7952e8b 100644
--- a/www/.htaccess
+++ b/www/.htaccess
@@ -1,5 +1,5 @@
 Options -Indexes -Multiviews
-DirectoryIndex disabled
+DirectoryIndex index.php
 
 RewriteEngine On
 RewriteBase /
diff --git a/www/_inc.php b/www/_inc.php
index 9a5a2a4..995fb31 100644
--- a/www/_inc.php
+++ b/www/_inc.php
@@ -61,3 +61,19 @@ function html_foot(): void
 	</body>
 	</html>';
 }
+
+function format_bytes(int $bytes, string $unit = 'B'): string
+{
+	if ($bytes >= 1024*1024*1024) {
+		return round($bytes / (1024*1024*1024), 1) . ' G' . $unit;
+	}
+	elseif ($bytes >= 1024*1024) {
+		return round($bytes / (1024*1024), 1) . ' M' . $unit;
+	}
+	elseif ($bytes >= 1024) {
+		return round($bytes / 1024, 1) . ' K' . $unit;
+	}
+	else {
+		return $bytes . ' ' . $unit;
+	}
+}
diff --git a/www/index.php b/www/index.php
index 05cac99..dd95a66 100644
--- a/www/index.php
+++ b/www/index.php
@@ -19,9 +19,9 @@ if (!$user) {
 
 $quota = $users->quota($user);
 $server = new Server;
-$free = $server->format_bytes($quota->free);
-$used = $server->format_bytes($quota->used);
-$total = $server->format_bytes($quota->total);
+$free = format_bytes($quota->free);
+$used = format_bytes($quota->used);
+$total = format_bytes($quota->total);
 $www_url = WWW_URL;
 
 html_head('My files');
@@ -32,6 +32,7 @@ echo <<<EOF
 	<dd><a href="{$user->dav_url}"><tt>{$user->dav_url}</tt></a> (click to manage your files from your browser)</dd>
 	<dt>NextCloud URL</dt>
 	<dd><tt>{$www_url}</tt></dd>
+	<dd class="help">Use this URL to setup a NextCloud or ownCloud client to access your files.</dd>
 	<dt>Quota</dt>
 	<dd>Used {$used} out of {$total} (free: {$free})</dd>
 </dl>