diff --git a/user_name_validation.info b/user_name_validation.info
deleted file mode 100644
index d16854b..0000000
--- a/user_name_validation.info
+++ /dev/null
@@ -1,4 +0,0 @@
-name = User Name Validation
-description = This module helps to validate Username with min/max characters, Blacklist characters/words and ajax validations.
-package = Other
-core = 7.x
diff --git a/user_name_validation.info.yml b/user_name_validation.info.yml
new file mode 100644
index 0000000..aea59fa
--- /dev/null
+++ b/user_name_validation.info.yml
@@ -0,0 +1,5 @@
+name: 'User Name Validation'
+description: 'This module helps to validate Username with min/max characters, Blacklist characters/words and ajax validations.'
+package: Other
+core: 8.x
+type: module
diff --git a/user_name_validation.module b/user_name_validation.module
index e742fbc..96e0b71 100644
--- a/user_name_validation.module
+++ b/user_name_validation.module
@@ -4,7 +4,7 @@
  * Implement hook_form_alter().
  *
  */
-function user_name_validation_form_alter(&$form, $form_state, $form_id) {
+function user_name_validation_form_alter(&$form, \Drupal\Core\Form\FormStateInterface $form_state, $form_id) {
   drupal_set_message($form_id);
   if ($form_id == 'user_profile_form' || $form_id == 'user_register_form') {
     $form['#validate'][] = 'user_name_validation_username_validate';
@@ -15,6 +15,6 @@ function user_name_validation_form_alter(&$form, $form_state, $form_id) {
 function user_name_validation_username_validate($form, &$form_state){
   $username = $form_state['values']['name'];
   if(strlen($username) > 1 ){
-    form_set_error('name', t('Sorry, Only 1 char.'));
+    // form_set_error('name', t('Sorry, Only 1 char.'));
   }
 }
\ No newline at end of file