diff --git a/del_block_users.module b/del_block_users.module
index cc9a379..bfceb84 100644
--- a/del_block_users.module
+++ b/del_block_users.module
@@ -5,13 +5,12 @@
  */
 
 /**
- * Implements hook_form_alter().
+ * Implements hook_form_FORM_ID_alter().
  */
 function del_block_users_form_user_filter_form_alter(&$form, &$form_state) {
-
   $form['del_block_users'] = array(
     '#type' => 'fieldset',
-    '#title' => t('Cancel all block users accounts override update options.'),
+    '#title' => t('Cancel all blocked users\' accounts.'),
     '#attributes' => array('id' => array('del-block-user')),
   );
 
@@ -19,12 +18,12 @@ function del_block_users_form_user_filter_form_alter(&$form, &$form_state) {
     '#type' => 'textfield',
     '#title' => t('Select user ids from blocked users to exclude from deletion.'),
     '#attributes' => array('class' => array('selectusers')),
-    '#description' => t('To specify multiple users, separate with a comma. If no uids erase all blocked.'),
+    '#description' => t('To specify multiple user ids, separate with a comma. If none are specified, all blocked users are deleted.'),
   );
 
   $form['del_block_users']['chkbox'] = array(
     '#type' => 'checkbox',
-    '#title' => t('Confirm for delete all block users.'),
+    '#title' => t('Confirm deletion of all blocked users.'),
     '#default_value' => FALSE,
   );
 
@@ -37,7 +36,7 @@ function del_block_users_form_user_filter_form_alter(&$form, &$form_state) {
 
   $form['#validate'][] = 'del_block_users_validate';
 
-  $form['#attached']['css'][] = current_path() . '/del_block_users.css';
+  $form['#attached']['css'][] = drupal_get_path('module', 'del_block_users') . '/del_block_users.css';
 }
 
 /**
@@ -61,18 +60,23 @@ function _del_block_users($form, $form_state) {
     db_delete('users')
       ->condition('uid', $users, 'IN')
       ->execute();
-    drupal_set_message(t('!count blocked users erased!.', array('!count' => $count)));
+    drupal_set_message(t('@count blocked users erased.', array('@count' => $count)));
   }
   else {
-    form_set_error('name', t('You have select the checkbox to delete users!'));
+    form_set_error('name', t('Please select this checkbox to confirm deletion of blocked users.'));
   }
 }
 
 /**
- * Custom function callback for validate numbers and comas only.
+ * Validates that the user provided a string containing only a list of 
+ * (optionally comma-separated) numbers.
  */
 function del_block_users_validate($form, &$form_state) {
-  if (preg_match('/[^\d,]+/', $form_state['values']['selectusers'])) {
-    form_set_error('name', t('Only a numbers separate with comas!'));
+  $uids = array_map('trim', explode(",", $form_state['del_block_users']['selectusers']))
+  foreach ($uids as $uid) {
+    if (preg_match('/^\d+$/', $uid)) {
+      form_set_error('name', t('The field must contain only numerals, optionally separated by commas and whitespace.'));
+    }
+    break;
   }
 }
diff --git a/drush/del_block_users.drush.inc b/drush/del_block_users.drush.inc
index 3678ce0..0e09707 100644
--- a/drush/del_block_users.drush.inc
+++ b/drush/del_block_users.drush.inc
@@ -10,11 +10,11 @@
  */
 function del_block_users_drush_command() {
   $items['del_block_users'] = array(
-    'description' => dt('Delete all block users in site.'),
+    'description' => dt('Delete all blocked users.'),
     'aliases' => array('dbu'),
-    'examples' => array('drush del_block_users' => 'Delete all block users in site.'),
+    'examples' => array('drush del_block_users' => dt('Delete all blocked users.')),
     'bootstrap' => DRUSH_BOOTSTRAP_DRUPAL_FULL,
-    'arguments' => array('uids' => 'uid/s of users to no delete, separate with a comma.'),
+    'arguments' => array('uids' => dt('uids of users to not delete. Comma separated.')),
     'required-arguments' => FALSE,
   );
   return $items;
@@ -25,7 +25,7 @@ function del_block_users_drush_command() {
  * Implements hook_drush_help().
  */
 function del_block_users_drush_help() {
-  return dt('Delete all block users in site, caution for manual block user. You can select uid for no delete.');
+  return dt('Delete all blocked users. You can optionally exclude uids which should not be deleted.');
 }
 
 /**
@@ -48,5 +48,5 @@ function drush_del_block_users($uids) {
     ->condition('uid', $users, 'IN')
     ->execute();
 
-  drush_log(dt("Delete !count block users.", array('!count' => $count)), 'success');
+  drush_log(dt("Deleted @count blocked users.", array('@count' => $count)), 'success');
 }