diff --git a/admin/config.default.php b/admin/config.default.php
new file mode 100644
index 0000000..96e54ef
--- /dev/null
+++ b/admin/config.default.php
@@ -0,0 +1,26 @@
+<?php
+
+// this is default config
+// DO NOT rename/delete/modify this file
+// see config.example.php
+
+// detected by browser
+// $config['lang'] = 'en-us';
+
+$config['charset'] = "UTF-8";
+
+// translators only
+$config['show_todo_strings'] = false;
+
+// width of graph for free or usage blocks
+$config['percent_graph_width'] = 120;
+$config['percent_graph_type'] = 'used'; // either 'used' or 'free'
+
+// only enable if you have password protection for admin page
+// enabling this option will cause user to eval() whatever code they want
+$config['enable_eval'] = false;
+
+// this ob filter is applied for the cache list, not the whole page
+$config['path_nicer'] = 'ob_filter_path_nicer_default';
+
+?>
diff --git a/admin/config.example.php b/admin/config.example.php
index f2e9824..6391c54 100644
--- a/admin/config.example.php
+++ b/admin/config.example.php
@@ -1,6 +1,7 @@
 <?php
 
-// DO NOT modify this file
+// this is example config
+// DO NOT rename/delete/modify this file
 // if you want to customize config, copy this file and name it as config.php
 // upgrading your config.php when config.example.php were upgraded