diff --git a/lib.php b/lib.php
index 91c19828..2e02d97c 100644
--- a/lib.php
+++ b/lib.php
@@ -71,7 +71,7 @@ public function get_settings() {
             foreach ($this->settings as $settingname => $settingvalue) {
                 if (isset($settingvalue)) {
                     $settingvtype = gettype($settingvalue);
-                    if ((($settingvtype == 'string') && ($settingvalue === '-')) || 
+                    if ((($settingvtype == 'string') && ($settingvalue === '-')) ||
                         (($settingvtype == 'integer') && ($settingvalue === 0))) {
                         // Default value indicator is a hyphen or a number equal to 0.
                         $this->settings[$settingname] = get_config('format_topcoll', 'default'.$settingname);
@@ -1317,7 +1317,7 @@ public function update_course_format_options($data, $oldcourse = null) {
                         $maxsection = $DB->get_field_sql('SELECT max(section) from {course_sections}
                             WHERE course = ?', array($this->courseid));
                         if ($maxsection) {
-                            // If there are no sections, or just default 0-section, 'numsections' will be set to default
+                            // If there are no sections, or just default 0-section, 'numsections' will be set to default.
                             $data['numsections'] = $maxsection;
                         }
                     }
diff --git a/renderer.php b/renderer.php
index 1bdb86c6..ee71d736 100644
--- a/renderer.php
+++ b/renderer.php
@@ -41,7 +41,7 @@ class format_topcoll_renderer extends format_section_renderer_base {
     protected $tccolumnpadding = 0; // Default padding in pixels of the column(s).
     protected $mobiletheme = false; // As not using a mobile theme we can react to the number of columns setting.
     protected $tablettheme = false; // As not using a tablet theme we can react to the number of columns setting.
-    protected $courseformat = null; // Our course format object as defined in lib.php;
+    protected $courseformat = null; // Our course format object as defined in lib.php.
     protected $tcsettings; // Settings for the format - array.
     protected $defaulttogglepersistence; // Default toggle persistence.
     protected $defaultuserpreference; // Default user preference when none set - bool - true all open, false all closed.