diff --git a/protected/humhub/modules/comment/models/Comment.php b/protected/humhub/modules/comment/models/Comment.php
index 42186e24fd..d472e90835 100644
--- a/protected/humhub/modules/comment/models/Comment.php
+++ b/protected/humhub/modules/comment/models/Comment.php
@@ -29,7 +29,6 @@ use humhub\modules\content\components\ContentAddonActiveRecord;
  * @property integer $updated_by
  *
  * The followings are the available model relations:
- * @property PortfolioItem[] $portfolioItems
  * @property Post[] $posts
  *
  * @package humhub.modules_core.comment.models
@@ -106,6 +105,10 @@ class Comment extends ContentAddonActiveRecord implements ContentOwner
 
     /**
      * After Saving of comments, fire an activity
+     *
+     * @param bool $insert
+     * @param array $changedAttributes
+     * @return bool
      */
     public function afterSave($insert, $changedAttributes)
     {
@@ -148,8 +151,8 @@ class Comment extends ContentAddonActiveRecord implements ContentOwner
     /**
      * Filters out all users contained in $mentionedUsers from $followers
      *
-     * @param User[] $followers
-     * @param User[] $mentionedUsers
+     * @param \humhub\modules\user\models\User[] $followers
+     * @param \humhub\modules\user\models\User[] $mentionedUsers
      */
     private function filterMentionings(&$followers, $mentionedUsers)
     {
@@ -191,10 +194,11 @@ class Comment extends ContentAddonActiveRecord implements ContentOwner
     /**
      * Returns a limited amount of comments
      *
-     * @param type $model
-     * @param type $id
-     * @param type $limit
-     * @return type
+     * @param $model
+     * @param $id
+     * @param int $limit
+     *
+     * @return array|mixed|\yii\db\ActiveRecord[]
      */
     public static function GetCommentsLimited($model, $id, $limit = 2)
     {
@@ -221,9 +225,10 @@ class Comment extends ContentAddonActiveRecord implements ContentOwner
     /**
      * Count number comments for this target object
      *
-     * @param type $model
-     * @param type $id
-     * @return type
+     * @param $model
+     * @param $id
+     *
+     * @return int|mixed|string
      */
     public static function GetCommentCount($model, $id)
     {