diff --git a/main/inc/ajax/document.ajax.php b/main/inc/ajax/document.ajax.php
index 1e1b19396d..cbe7490f72 100755
--- a/main/inc/ajax/document.ajax.php
+++ b/main/inc/ajax/document.ajax.php
@@ -9,7 +9,7 @@ $action = $_REQUEST['a'];
 switch ($action) {
     case 'upload_file':
         api_protect_course_script(true);
-        //User access same as upload.php
+        // User access same as upload.php
         $is_allowed_to_edit = api_is_allowed_to_edit(null, true);
         // This needs cleaning!
         if (api_get_group_id()) {
diff --git a/main/inc/ajax/work.ajax.php b/main/inc/ajax/work.ajax.php
index f0119750a6..26d818057c 100755
--- a/main/inc/ajax/work.ajax.php
+++ b/main/inc/ajax/work.ajax.php
@@ -49,9 +49,9 @@ switch ($action) {
                 $title = isset($resultUpload['filename']) && !empty($resultUpload['filename']) ? $resultUpload['filename'] : get_lang('Untitled');
 
                 $sql = "UPDATE $work_table SET
-                    url_correction = '".$url."',
-                    title_correction = '".$title."'
-                    WHERE iid = $itemId";
+                            url_correction = '".$url."',
+                            title_correction = '".$title."'
+                        WHERE iid = $itemId";
                 Database::query($sql);
 
                 $result['title'] = $resultUpload['filename'];
diff --git a/main/inc/lib/api.lib.php b/main/inc/lib/api.lib.php
index a61a7fdb55..a914c8a347 100644
--- a/main/inc/lib/api.lib.php
+++ b/main/inc/lib/api.lib.php
@@ -2757,7 +2757,7 @@ function api_is_course_session_coach($user_id, $courseId, $session_id)
 
 /**
  * Checks whether the current user is a course or session coach
- * @param int - optional, session id
+ * @param int $session_id
  * @param int $courseId
  * @param bool  Check whether we are in student view and, if we are, return false
  * @return boolean True if current user is a course or session coach