diff --git a/app/models/post.rb b/app/models/post.rb
index 401e6c36..aed3be03 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -279,6 +279,7 @@ class Post
 
   # Obtiene metadatos de forma recursiva
   def get_front_matter(name)
+    # XXX retrocompatibilidad
     name = name.to_s unless name.is_a? Array
     @front_matter.dig(*name)
   end