Place below associations

app/models/card.rb

@@ -3,8 +3,6 @@ class Card < ApplicationRecord
     Messages, Notifiable, Pinnable, Closeable, Searchable, Staged,
     Statuses, Taggable, Watchable
 
-  has_markdown :description
-
   belongs_to :collection, touch: true
   belongs_to :creator, class_name: "User", default: -> { Current.user }
 
@@ -12,6 +10,8 @@ class Card < ApplicationRecord
 
   has_one_attached :image, dependent: :purge_later
 
+  has_markdown :description
+
   scope :reverse_chronologically, -> { order created_at: :desc, id: :desc }
   scope :chronologically, -> { order created_at: :asc, id: :asc }
   scope :latest, -> { order updated_at: :desc, id: :desc }