fixed spelling in code comment
diff --git a/index.php b/index.php
index f27520e..47f1ae9 100644
--- a/index.php
+++ b/index.php
@@ -110,7 +110,7 @@
 	// ensure there's a trailing slash
 	$system_path = rtrim($system_path, '/').'/';
 
-	// Is the sytsem path correct?
+	// Is the system path correct?
 	if ( ! is_dir($system_path))
 	{
 		exit("Your system folder path does not appear to be set correctly. Please open the following file and correct this: ".pathinfo(__FILE__, PATHINFO_BASENAME));