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app/models/post/template_field.rb

@@ -114,6 +114,10 @@ class Post
       h
     end
 
+    def help
+      complex? && contents.dig('help')
+    end
+
     # Obtiene los valores posibles para el campo de la plantilla
     def values
       return '' if %w[string text].include? value

app/views/posts/_form.haml

@@ -78,7 +78,7 @@
   - @post.template_fields.each do |template|
     - next unless type = template.type
     .form-group
-      = label_tag "post_#{template}", template.human
+      = label_tag "post_#{template}", template.help.present? ? template.help : template.human
       - name = "post[#{template}]"
       - value = @post.new? ? template.values : @post.get_front_matter(template)
       - case type