diff --git a/libraries/Advisor.php b/libraries/Advisor.php
index cfe4fa65e5..68814bc18d 100644
--- a/libraries/Advisor.php
+++ b/libraries/Advisor.php
@@ -463,8 +463,9 @@ class Advisor
         $lines = array();
 
         if ($file === FALSE) {
-            $errors[] = __(
-                'Error in reading file: The file \'' . $filename .'\' does not exist or is not readable'
+            $errors[] = sprintf(
+                __('Error in reading file: The file \'%s\' does not exist or is not readable!'),
+                $filename
             );
             return array('rules' => $rules, 'lines' => $lines, 'errors' => $errors);
         }