diff --git a/main/exercise/answer.class.php b/main/exercise/answer.class.php
index 1154084cc1..99279cae48 100755
--- a/main/exercise/answer.class.php
+++ b/main/exercise/answer.class.php
@@ -34,7 +34,7 @@ class Answer
     public $new_position;
     public $new_hotspot_coordinates;
     public $new_hotspot_type;
-    /** @var int Incremental ID used in the past when PK was a mix of c_id+id*/
+    /** @var int Incremental ID used in the past when PK was a mix of c_id+id */
     public $autoId;
     /** @var int Number of answers in the question */
     public $nbrAnswers;
@@ -394,6 +394,7 @@ class Answer
      * @param int $auto_id
      *
      * @return array
+     *
      * @todo Replace method by iid search
      */
     public function selectAnswerByAutoId($auto_id)
diff --git a/main/exercise/calculated_answer.class.php b/main/exercise/calculated_answer.class.php
index eaca2d34f9..7efa10802a 100644
--- a/main/exercise/calculated_answer.class.php
+++ b/main/exercise/calculated_answer.class.php
@@ -190,7 +190,7 @@ class CalculatedAnswer extends Question
                 $table,
                 [
                     'question_id = ?' => [
-                        $this->iid
+                        $this->iid,
                     ],
                 ]
             );