diff --git a/main/auth/courses.php b/main/auth/courses.php
index b8af51b9bb..240568ab05 100755
--- a/main/auth/courses.php
+++ b/main/auth/courses.php
@@ -375,7 +375,6 @@ switch ($action) {
         $option = isset($_REQUEST['option']) ? (int) $_REQUEST['option'] : 0;
         $redirect = isset($_REQUEST['redirect']) ? $_REQUEST['redirect'] : 0;
 
-
         if (empty($userId) || empty($categoryId)) {
             api_not_allowed(true);
         }
diff --git a/main/auth/inscription.php b/main/auth/inscription.php
index 674507a1b9..58dcb8ec85 100755
--- a/main/auth/inscription.php
+++ b/main/auth/inscription.php
@@ -343,6 +343,7 @@ if ($user_already_registered_show_terms === false &&
             $extraFieldList = $allowedFields['extra_fields'];
         }
         $requiredFields = api_get_configuration_value('required_extra_fields_in_inscription');
+
         if (!empty($requiredFields) && $requiredFields['options']) {
             $requiredFields = $requiredFields['options'];
         }
diff --git a/main/inc/lib/course.lib.php b/main/inc/lib/course.lib.php
index 4b0e811175..ef69ff5b4f 100755
--- a/main/inc/lib/course.lib.php
+++ b/main/inc/lib/course.lib.php
@@ -3860,13 +3860,13 @@ class CourseManager
                 $url = api_get_path(WEB_CODE_PATH).
                     'auth/courses.php?categoryid='.$row['id'].'&sec_token='.$stok.'&redirect=home';
                 $collapsed = isset($row['collapsed']) && $row['collapsed'] ? 1 : 0;
-                 if ($collapsed === 0) {
-                     $collapsableLink = Display::url(
+                if ($collapsed === 0) {
+                    $collapsableLink = Display::url(
                         '<i class="fa fa-folder-open"></i>',
                         $url.'&action=set_collapsable&option=1'
                     );
                 } else {
-                     $collapsableLink = Display::url(
+                    $collapsableLink = Display::url(
                         '<i class="fa fa-folder"></i>',
                         $url.'&action=set_collapsable&option=0'
                     );