diff --git a/ext/rss_images.ext.php b/ext/rss_images.ext.php
index 61a1f35a..e4be06ca 100644
--- a/ext/rss_images.ext.php
+++ b/ext/rss_images.ext.php
@@ -21,7 +21,6 @@ class RSS_Images extends Extension {
 // }}}
 // output {{{
 	private function do_rss($images) {
-		// TODO: this function
 		global $page;
 		global $config;
 		$page->set_mode("data");
@@ -53,7 +52,7 @@ class RSS_Images extends Extension {
 		$base_href = $config->get_string('base_href');
 		$version = $config->get_string('version');
 		$xml = <<<EOD
-<?xml version='1.0' encoding='utf-8' ?>
+<?xml version="1.0" encoding="utf-8" ?>
 <rss version="2.0">
     <channel>
         <title>$title</title>