@@ -98,7 +98,7 @@  | 
                                                    ||
| 98 | 98 | * This is applied in initialize() and update()  | 
                                                        
| 99 | 99 | *  | 
                                                        
| 100 | 100 | * @param mixed $value  | 
                                                        
| 101 | - * @return mixed  | 
                                                        |
| 101 | + * @return string  | 
                                                        |
| 102 | 102 | */  | 
                                                        
| 103 | 103 |      protected function cleanValue($value) { | 
                                                        
| 104 | 104 | return $value;  |