Minor - PHPDoc updates as suggested by @scrutinizer-auto-fixer

main/lp/openoffice_text.class.php

@@ -32,7 +32,6 @@ class OpenofficeText extends OpenofficeDocument {
      * @param	string	Course code
      * @param	integer	Resource ID
      * @param	integer Creator user id
-     * @return	void
      */
     public function __construct($split_steps = false, $course_code = null, $resource_id = null, $user_id = null) {
         $this -> split_steps = $split_steps;

main/survey/ch_dropdown.php

@@ -10,7 +10,7 @@ class ch_dropdown extends survey_question
      * @param array $survey_data
      * @param $formData
      *
-     * @return FormValidator
+     * @return void
      */
     public function createForm($survey_data, $formData)
     {
@@ -29,8 +29,9 @@ class ch_dropdown extends survey_question
      * @param FormValidator $form
      * @param array $questionData
      * @param array $answers
+     * @return void
      */
-    public function render(FormValidator $form, $questionData = array(), $answers = '')
+    public function render(FormValidator $form, $questionData = array(), $answers = array())
     {
         $name = 'question'.$questionData['question_id'];
         $data = array(0 => '--') + $questionData['options'];