Add common robot user agents.
diff --git a/application/config/user_agents.php b/application/config/user_agents.php
index 35c36cb..0aae987 100644
--- a/application/config/user_agents.php
+++ b/application/config/user_agents.php
@@ -208,13 +208,15 @@
 $robots = array(
 	'googlebot'		=> 'Googlebot',
 	'msnbot'		=> 'MSNBot',
+	'baiduspider'	=> 'Baiduspider',
 	'bingbot'		=> 'Bing',
 	'slurp'			=> 'Inktomi Slurp',
 	'yahoo'			=> 'Yahoo',
 	'askjeeves'		=> 'AskJeeves',
 	'fastcrawler'	=> 'FastCrawler',
 	'infoseek'		=> 'InfoSeek Robot 1.0',
-	'lycos'			=> 'Lycos'
+	'lycos'			=> 'Lycos',
+	'yandex'		=> 'YandexBot'
 );
 
 /* End of file user_agents.php */