diff --git a/OPDS_renderer.php b/OPDS_renderer.php
index 102826e..d5f752c 100644
--- a/OPDS_renderer.php
+++ b/OPDS_renderer.php
@@ -83,6 +83,12 @@ class OPDSRenderer
             self::getXmlStream ()->startElement ("title");
                 self::getXmlStream ()->text ($page->title);
             self::getXmlStream ()->endElement ();
+            if ($page->subtitle != "")
+            {
+                self::getXmlStream ()->startElement ("subtitle");
+                    self::getXmlStream ()->text ($page->subtitle);
+                self::getXmlStream ()->endElement ();
+            }
             self::getXmlStream ()->startElement ("id");
                 if ($page->idPage)
                 {
diff --git a/base.php b/base.php
index e884800..7c5f10b 100644
--- a/base.php
+++ b/base.php
@@ -188,6 +188,7 @@ class EntryBook extends Entry
 class Page
 {
     public $title;
+    public $subtitle = "";
     public $idPage;
     public $idGet;
     public $query;
@@ -243,6 +244,7 @@ class Page
     {
         global $config;
         $this->title = $config['cops_title_default'];
+        $this->subtitle = $config['cops_subtitle_default'];
         array_push ($this->entryArray, Author::getCount());
         array_push ($this->entryArray, Serie::getCount());
         array_push ($this->entryArray, Tag::getCount());
diff --git a/config_default.php b/config_default.php
index fa816ab..8d44f62 100644
--- a/config_default.php
+++ b/config_default.php
@@ -41,6 +41,10 @@
      */
     $config['cops_title_default'] = "Sebastien's COPS"; 
 
+    /*
+     * Catalog's subtitle
+     */
+    $config['cops_subtitle_default'] = ""; 
     
     /*
      * Wich header to use when downloading books outside the web directory