diff --git a/username_policy.inc b/username_policy.inc
index ab40b79..0a7c1fb 100644
--- a/username_policy.inc
+++ b/username_policy.inc
@@ -118,7 +118,7 @@ function username_policy_admin_form_validate($form_id, $form_state) {
     form_set_error('username_policy_pattern_error', t('These not_found are non exist pattern sets!', array('not_found' => implode(', ', $not_found))));
   }
   if ($num_of_patterns == 0) {
-    form_set_error('username_policy_pattern_error', 'Please enter any PATTERN ELEMENTS, which are shown below..!');
+    form_set_error('username_policy_pattern_error', t('Please enter any PATTERN ELEMENTS, which are shown below..!'));
   }
 }
 
diff --git a/username_policy.module b/username_policy.module
index 6389f70..a671787 100644
--- a/username_policy.module
+++ b/username_policy.module
@@ -157,10 +157,11 @@ function username_policy_theme() {
 /**
  * Implement theme for username_policy_pattern_elements.
  *
- * @param vars
- *
- * @return themed table with data
+ * @param $vars
+ *   An array of variable.
  *
+ * @return string
+ *   Themed tabular format.
  */
 function theme_username_policy_pattern_elements($vars) {
   $element = $vars['pattern'];
@@ -173,3 +174,4 @@ function theme_username_policy_pattern_elements($vars) {
   $header = array(t('Pattern elements'));
   return theme('table', array('header' => $header, 'rows' => $rows));
 }
+