diff --git a/.php_cs.dist b/.php_cs.dist
index 0aa4efe68e..c2e36ed8ff 100644
--- a/.php_cs.dist
+++ b/.php_cs.dist
@@ -37,33 +37,22 @@ $rules = [
 ];
 
 $finder = PhpCsFixer\Finder::create()
-    ->exclude('app/')
     ->exclude('assets')
     ->exclude('bin')
     ->exclude('documentation')
-    ->exclude('main/auth/cas/lib')
-    ->exclude('main/auth/shibboleth')
-    ->exclude('main/auth/openid')
-    ->exclude('main/fonts')
-    ->exclude('main/inc/lib/browser')
     ->exclude('main/inc/lib/internationalization_database')
     ->exclude('main/inc/lib/javascript')
     ->exclude('main/inc/lib/kses-0.2.2')
     ->exclude('main/inc/lib/mimetex')
-    ->exclude('main/inc/lib/nanogong')
     ->exclude('main/inc/lib/nusoap')
     ->exclude('main/inc/lib/opengraph')
     ->exclude('main/inc/lib/ppt2png')
-    ->exclude('main/inc/lib/phpseclib')
     ->exclude('main/inc/lib/pear')
-    ->exclude('main/inc/lib/phpseclib')
     ->exclude('main/inc/lib/svg-edit')
-    ->exclude('main/inc/lib/swfobject')
     ->exclude('main/inc/lib/wami-recorder')
     ->exclude('main/inc/lib/xajax')
     ->exclude('main/lp/packaging')
     ->exclude('main/template')
-    ->exclude('main/img')
     ->exclude('main/lang')
     ->exclude('plugin/buycourses/src/Culqi')
     ->exclude('plugin/buycourses/src/Requests')
diff --git a/main/exercise/exercise.class.php b/main/exercise/exercise.class.php
index e140e8bf3a..8fb38f5982 100755
--- a/main/exercise/exercise.class.php
+++ b/main/exercise/exercise.class.php
@@ -8335,7 +8335,7 @@ class Exercise
     }
 
     /**
-     * @param int $categoryId
+     * @param int    $categoryId
      * @param string $keyword
      *
      * @return string
diff --git a/main/exercise/question.class.php b/main/exercise/question.class.php
index e51286df55..9f3e324ea7 100755
--- a/main/exercise/question.class.php
+++ b/main/exercise/question.class.php
@@ -1729,11 +1729,8 @@ abstract class Question
 
     /**
      * Function which process the creation of questions.
-     *
-     * @param FormValidator $form
-     * @param Exercise      $exercise
      */
-    public function processCreation(FormValidator $form, $exercise)
+    public function processCreation(FormValidator $form, Exercise $exercise)
     {
         $this->updateTitle($form->getSubmitValue('questionName'));
         $this->updateDescription($form->getSubmitValue('questionDescription'));