diff --git a/main/attendance/attendance_comment.inc.php b/main/attendance/attendance_comment.inc.php
index 6941104926..357090938a 100644
--- a/main/attendance/attendance_comment.inc.php
+++ b/main/attendance/attendance_comment.inc.php
@@ -1,6 +1,7 @@
 <div id="comment-popup" style="display: none">
     <div id="comment-area" class="well">
         <textarea id="txt-comment" style="width: 100%;height: 150px;" placeholder="<?php echo get_lang('WriteAComment'); ?>"></textarea>
+        <div id="comment-author"></div>
     </div>
     <span id="save-comment-controls">
         <span id="comment-results"></span>
@@ -54,6 +55,7 @@
             $('#save-comment-controls').show();
             $('#comment-area').show();
             $("#txt-comment").val('');
+            $("#comment-author").text('');
         });
 
         $(".attendance-comment").on("click", function() {
@@ -67,22 +69,20 @@
             $("#comment-results").hide();
             $("#save-comment-controls").show();
             $('#comment-area').show();
-            var comment = getComment(selected);
-            $("#txt-comment").val(comment);
+            setComment(selected);
         });
 
-        function getComment(selected) {
-            var response = $.ajax({
-                data:  "a=get_attendance_comment&selected="+selected,
-                url:   urlAjax,
-                async: false,
-                success: function (comment) {
-                    response = comment;
-                },
-                type:  'post'
+        function setComment(selected) {
+            $('#txt-comment').val('...');
+            $("#comment-author").text('');
+            $.getJSON(urlAjax + "&a=get_attendance_comment&selected=" + selected).done(function (data) {
+                if (data.comment) {
+                    $('#txt-comment').val(data.comment);
+                }
+                if (data.author) {
+                    $("#comment-author").text(data.author);
+                }
             });
-
-            return response.responseText;
         }
     });
 </script>
diff --git a/main/inc/ajax/user_manager.ajax.php b/main/inc/ajax/user_manager.ajax.php
index 2bee845685..587acda0bf 100755
--- a/main/inc/ajax/user_manager.ajax.php
+++ b/main/inc/ajax/user_manager.ajax.php
@@ -40,11 +40,16 @@ switch ($action) {
         if (!empty($selected)) {
             list($prefix, $userId, $attendanceCalendarId) = explode('-', $selected);
             $attendance = new Attendance();
-            $comment = $attendance->getComment(
+            $commentInfo = $attendance->getComment(
                 (int) $userId,
                 (int) $attendanceCalendarId
             );
-            echo $comment;
+            echo json_encode(
+              [
+                  'comment' => $commentInfo['comment'],
+                  'author' => !empty($commentInfo['author']) ? get_lang('Author').': '.$commentInfo['author'] : '',
+              ]
+            );
         }
         break;
     case 'block_attendance_calendar':
diff --git a/main/inc/lib/attendance.lib.php b/main/inc/lib/attendance.lib.php
index c122917c8b..74fb65198a 100755
--- a/main/inc/lib/attendance.lib.php
+++ b/main/inc/lib/attendance.lib.php
@@ -2741,7 +2741,14 @@ class Attendance
                 $result['count'] = $count;
                 $result['full_name'] = api_get_person_name($user['firstname'], $user['lastname']);
                 foreach ($calendar as $classDay) {
-                    $comment = $this->getComment($user['user_id'], $classDay['id']);
+                    $commentInfo = $this->getComment($user['user_id'], $classDay['id']);
+                    $comment = '';
+                    if (!empty($commentInfo['comment'])) {
+                        $comment .= $commentInfo['comment'];
+                    }
+                    if (!empty($commentInfo['author'])) {
+                        $comment .= ' - '.get_lang('Author').': '.$commentInfo['author'];
+                    }
                     $txtComment = !empty($comment) ? '[comment]'.$comment : '';
                     if (1 == (int) $classDay['done_attendance']) {
                         if (1 == (int) $dataUsersPresence[$user['user_id']][$classDay['id']]['presence']) {
@@ -2768,7 +2775,7 @@ class Attendance
     /**
      * Get the user comment in attendance sheet.
      *
-     * @return false|string
+     * @return false|array The comment text and the author.
      */
     public function getComment(
         int $userId,
@@ -2803,13 +2810,24 @@ class Attendance
             $repo = $em->getRepository('ChamiloCourseBundle:CAttendanceResultComment');
             $attendanceResultComment = $repo->findOneBy($criteria);
 
+            $author = '';
             /** @var CAttendanceResultComment $attendanceResultComment */
             if ($attendanceResultComment) {
                 $comment = $attendanceResultComment->getComment();
+                $authorId = $attendanceResultComment->getAuthorUserId();
+                if (!empty($authorId)) {
+                    $authorInfo = api_get_user_info($authorId);
+                    $author = api_get_person_name($authorInfo['firstname'], $authorInfo['lastname']);
+                }
             }
         }
 
-        return $comment;
+        $commentInfo = [
+            'comment' => $comment,
+            'author' => $author,
+        ];
+
+        return $commentInfo;
     }
 
     /**
@@ -2868,6 +2886,7 @@ class Attendance
         if ($attendanceResultComment) {
             $attendanceResultComment->setComment($comment);
             $attendanceResultComment->setUpdatedAt(api_get_utc_datetime(null, false, true));
+            $attendanceResultComment->setAuthorUserId(api_get_user_id());
             $em->persist($attendanceResultComment);
             $em->flush();
         } else {
@@ -2875,7 +2894,8 @@ class Attendance
             $attendanceResultComment
                 ->setAttendanceSheetId($attendanceSheetId)
                 ->setUserId($userId)
-                ->setComment($comment);
+                ->setComment($comment)
+                ->setAuthorUserId(api_get_user_id());
 
             $em->persist($attendanceResultComment);
             $em->flush();
diff --git a/main/install/configuration.dist.php b/main/install/configuration.dist.php
index 76798923a7..85a03471d9 100644
--- a/main/install/configuration.dist.php
+++ b/main/install/configuration.dist.php
@@ -2343,7 +2343,7 @@ INSERT INTO `extra_field` (`extra_field_type`, `field_type`, `variable`, `displa
 
 // Enable comments in attendance sheet for users
 // Require DB changes:
-//CREATE TABLE c_attendance_result_comment (iid int not null PRIMARY KEY AUTO_INCREMENT, attendance_sheet_id int not null, user_id int not null, created_at datetime not null, updated_at datetime not null, comment text not null);
+//CREATE TABLE c_attendance_result_comment (iid int not null PRIMARY KEY AUTO_INCREMENT, attendance_sheet_id int not null, user_id int not null, created_at datetime not null, updated_at datetime not null, comment text not null, author_user_id int not null);
 //CREATE INDEX c_attendance_sheet_user ON track_e_access_complete (attendance_sheet_id, user_id);
 //$_configuration['attendance_allow_comments'] = false;
 
diff --git a/src/Chamilo/CourseBundle/Entity/CAttendanceResultComment.php b/src/Chamilo/CourseBundle/Entity/CAttendanceResultComment.php
index 935cfe10f0..145fe17a6c 100644
--- a/src/Chamilo/CourseBundle/Entity/CAttendanceResultComment.php
+++ b/src/Chamilo/CourseBundle/Entity/CAttendanceResultComment.php
@@ -63,6 +63,13 @@ class CAttendanceResultComment
      */
     protected $updatedAt;
 
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="author_user_id", type="integer", nullable=false)
+     */
+    protected $authorUserId;
+
     /**
      * Project constructor.
      */
@@ -179,4 +186,28 @@ class CAttendanceResultComment
     {
         return $this->comment;
     }
+
+    /**
+     * Set authorUserId.
+     *
+     * @param int $authorUserId
+     *
+     * @return CAttendanceResultComment
+     */
+    public function setAuthorUserId($authorUserId)
+    {
+        $this->authorUserId = $authorUserId;
+
+        return $this;
+    }
+
+    /**
+     * Get authorUserId.
+     *
+     * @return int
+     */
+    public function getAuthorUserId()
+    {
+        return $this->authorUserId;
+    }
 }