diff --git a/system/language/english/form_validation_lang.php b/system/language/english/form_validation_lang.php
index b018850..3f24090 100644
--- a/system/language/english/form_validation_lang.php
+++ b/system/language/english/form_validation_lang.php
@@ -19,6 +19,9 @@
 $lang['matches']			= "The %s field does not match the %s field.";
 $lang['is_natural']			= "The %s field must contain only positive numbers.";
 $lang['is_natural_no_zero']	= "The %s field must contain a number greater than zero.";
+$lang['decimal']			= "The %s field must contain a decimal number.";
+$lang['less_than']			= "The %s field must contain a number less than %s.";
+$lang['greater_than']		= "The %s field must contain a number greater than %s.";
 
 
 /* End of file form_validation_lang.php */