diff --git a/library/config.php b/library/config.php
index 38dc0d75..3618378b 100644
--- a/library/config.php
+++ b/library/config.php
@@ -364,9 +364,9 @@ if (@get_magic_quotes_gpc()) die('Set: magic_quotes_gpc = Off');
 // MySQL
 if (!extension_loaded('mysql')) die('MySQL extension not installed');
 // JSON
-if (!function_exists('json_encode')) die('json_encode() functions not exists');
+if (!function_exists('json_encode')) die('json_encode() function not exists');
 // getmypid
-if (!function_exists('getmypid') || !getmypid()) die('getmypid() functions is disabled');
+if (!function_exists('getmypid') || !getmypid()) die('getmypid() function is disabled');
 // Mbstring
 if (!extension_loaded('mbstring')) die('Mbstring extension not installed');
 // BCMath