Minor - format code

main/exercise/answer.class.php

@@ -394,6 +394,7 @@ class Answer
      * @param int $auto_id
      *
      * @return array
+     *
      * @todo Replace method by iid search
      */
     public function selectAnswerByAutoId($auto_id)

main/exercise/calculated_answer.class.php

@@ -190,7 +190,7 @@ class CalculatedAnswer extends Question
                 $table,
                 [
                     'question_id = ?' => [
-                        $this->iid
+                        $this->iid,
                     ],
                 ]
             );