diff --git a/classes/completion/custom_completion.php b/classes/completion/custom_completion.php
index 9e2a35d2..25a129a4 100644
--- a/classes/completion/custom_completion.php
+++ b/classes/completion/custom_completion.php
@@ -73,7 +73,7 @@ public function get_state(string $rule): int {
     public static function get_defined_custom_rules(): array {
         return [
             'completionvote',
-            'completionallocation'
+            'completionallocation',
         ];
     }
 
@@ -85,7 +85,7 @@ public static function get_defined_custom_rules(): array {
     public function get_custom_rule_descriptions(): array {
         return [
             'completionvote' => get_string('completionvote_desc', RATINGALLOCATE_MOD_NAME),
-            'completionallocation' => get_string('completionallocation_desc', RATINGALLOCATE_MOD_NAME)
+            'completionallocation' => get_string('completionallocation_desc', RATINGALLOCATE_MOD_NAME),
         ];
     }
 
@@ -98,7 +98,7 @@ public function get_sort_order(): array {
         return [
             'completionview',
             'completionvote',
-            'completionallocation'
+            'completionallocation',
         ];
     }
 }
diff --git a/lib.php b/lib.php
index 226f1a5f..dbdcac74 100644
--- a/lib.php
+++ b/lib.php
@@ -764,6 +764,7 @@ function ratingallocate_reset_course_form_defaults($course) {
  * @param stdClass $coursemodule The coursemodule object (record).
  * @return cached_cm_info An object on information that the courses
  *                        will know about (most noticeably, an icon).
+ * @throws dml_exception
  */
 function ratingallocate_get_coursemodule_info($coursemodule) {
     global $DB;
diff --git a/locallib.php b/locallib.php
index da5a4942..a7078428 100644
--- a/locallib.php
+++ b/locallib.php
@@ -187,7 +187,7 @@ class ratingallocate {
 
     /**
      * Returns all users enrolled in the course the ratingallocate is in, who were able to access the activity
-     * @returns Array of user records
+     * @return Array of user records
      * @throws moodle_exception
      */
     public function get_raters_in_course(): array {
diff --git a/mod_form.php b/mod_form.php
index 3d0e06b7..6c854906 100644
--- a/mod_form.php
+++ b/mod_form.php
@@ -351,6 +351,12 @@ public function add_completion_rules() {
         return [$this->get_suffixed_name('vote'), $this->get_suffixed_name('allocation')];
     }
 
+    /**
+     * Returns the suffixed name for custom completion elements.
+     *
+     * @param string $fieldname
+     * @return string
+     */
     protected function get_suffixed_name(string $fieldname): string {
         // Replace _ratingallocate with $this->get_suffix() for Moodle 4.3 or later.
         return 'completion' . $fieldname . '_ratingallocate';