diff --git a/app/models/post.rb b/app/models/post.rb
index 2141e6a..57a07a8 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -27,6 +27,10 @@ class Post
       :layout, :permalink, :dir,
       { lang: {} }, { tags: [] }, { categories: [] }]
 
+  def inspect
+    "#<Post @id=#{id} @site=#{site.name}>"
+  end
+
   # Trabajar con posts.  Si estamos creando uno nuevo, el **site** y
   # el **front_matter** son necesarios, sino, **site** y **post**.
   # XXX chequear que se den las condiciones
diff --git a/app/models/site.rb b/app/models/site.rb
index aaa88e0..85b9e25 100644
--- a/app/models/site.rb
+++ b/app/models/site.rb
@@ -5,6 +5,10 @@ class Site
   attr_accessor :jekyll, :collections
   attr_reader   :path
 
+  def inspect
+    "#<Site @id=#{name}>"
+  end
+
   def initialize(jekyll:, path: nil)
     @jekyll = jekyll
     @path = path || @jekyll.config['source']