diff --git a/main/exercise/exercise.class.php b/main/exercise/exercise.class.php
index 87e6bd90ef..2bc28e132e 100755
--- a/main/exercise/exercise.class.php
+++ b/main/exercise/exercise.class.php
@@ -5826,7 +5826,6 @@ class Exercise
             }
         }
 
-
         $sendStart = false;
         $sendEnd = false;
         $sendEndOpenQuestion = false;
@@ -8277,7 +8276,6 @@ class Exercise
      * @param array  $user_info
      * @param string $url_email
      * @param array  $teachers
-     *
      */
     private function sendNotificationForOpenQuestions(
         $question_list_answers,
diff --git a/main/exercise/export/qti2/qti2_classes.php b/main/exercise/export/qti2/qti2_classes.php
index 0363edcd61..5f42ed3ab3 100755
--- a/main/exercise/export/qti2/qti2_classes.php
+++ b/main/exercise/export/qti2/qti2_classes.php
@@ -2,7 +2,7 @@
 /* For licensing terms, see /license.txt */
 
 /**
- * Interface ImsAnswerInterface
+ * Interface ImsAnswerInterface.
  */
 interface ImsAnswerInterface
 {
diff --git a/main/mySpace/myStudents.php b/main/mySpace/myStudents.php
index 706585d677..04bdd4938d 100755
--- a/main/mySpace/myStudents.php
+++ b/main/mySpace/myStudents.php
@@ -1029,7 +1029,6 @@ if (!empty($userGroups)) {
 }
 echo '</div></div>';
 
-
 $exportCourseList = [];
 $lpIdList = [];
 if (empty($details)) {