Fix typo in English translations

Author: mhajder

resources/lang/en/validation.php

@@ -5,7 +5,7 @@
  'PESEL' => 'PESEL number is not valid!',
  'REGON' => 'REGON number is not valid!',
  'NIP' => 'NIP number is not valid!',
- 'id_card_number' => 'ID Card numner is not valid!',
+ 'id_card_number' => 'ID Card number is not valid!',
  'post_code' => 'Post code not valid!',
  'PWZ' => 'PWZ code not valid!',