diff --git a/system/language/english/validation_lang.php b/system/language/english/validation_lang.php
index 7da801d..7ca762d 100644
--- a/system/language/english/validation_lang.php
+++ b/system/language/english/validation_lang.php
@@ -1,20 +1,23 @@
 <?php
 
-$lang['required'] 		= "The %s field is required.";
-$lang['isset']			= "The %s field must have a value.";
-$lang['valid_email']	= "The %s field must contain a valid email address.";
-$lang['valid_emails'] 	= "The %s field must contain all valid email addresses.";
-$lang['valid_url'] 		= "The %s field must contain a valid URL.";
-$lang['valid_ip'] 		= "The %s field must contain a valid IP.";
-$lang['min_length']		= "The %s field must be at least %s characters in length.";
-$lang['max_length']		= "The %s field can not exceed %s characters in length.";
-$lang['exact_length']	= "The %s field must be exactly %s characters in length.";
-$lang['alpha']			= "The %s field may only contain alphabetical characters.";
-$lang['alpha_numeric']	= "The %s field may only contain alpha-numeric characters.";
-$lang['alpha_dash']		= "The %s field may only contain alpha-numeric characters, underscores, and dashes.";
-$lang['numeric']		= "The %s field must contain a number.";
-$lang['integer']		= "The %s field must contain an integer.";
-$lang['matches']		= "The %s field does not match the %s field.";
+$lang['required'] 			= "The %s field is required.";
+$lang['isset']				= "The %s field must have a value.";
+$lang['valid_email']		= "The %s field must contain a valid email address.";
+$lang['valid_emails'] 		= "The %s field must contain all valid email addresses.";
+$lang['valid_url'] 			= "The %s field must contain a valid URL.";
+$lang['valid_ip'] 			= "The %s field must contain a valid IP.";
+$lang['min_length']			= "The %s field must be at least %s characters in length.";
+$lang['max_length']			= "The %s field can not exceed %s characters in length.";
+$lang['exact_length']		= "The %s field must be exactly %s characters in length.";
+$lang['alpha']				= "The %s field may only contain alphabetical characters.";
+$lang['alpha_numeric']		= "The %s field may only contain alpha-numeric characters.";
+$lang['alpha_dash']			= "The %s field may only contain alpha-numeric characters, underscores, and dashes.";
+$lang['numeric']			= "The %s field must contain a number.";
+$lang['is_numeric']			= "The %s field must contain a number.";
+$lang['integer']			= "The %s field must contain an integer.";
+$lang['matches']			= "The %s field does not match the %s field.";
+$lang['is_natural']			= "The %s field must contain a number.";
+$lang['is_natural_no_zero']	= "The %s field must contain a number greater than zero.";
 
 
 /* End of file validation_lang.php */