diff --git a/app/models/block.rb b/app/models/block.rb
index 7140b89..012743f 100644
--- a/app/models/block.rb
+++ b/app/models/block.rb
@@ -2,6 +2,10 @@ class Block < ActiveRecord::Base
   acts_as_list :scope => :box
   belongs_to :box
 
+  def self.description
+    _('A dummy block.')
+  end
+
   def content(main_content = nil)
     "This is block number %d" % self.id
   end
diff --git a/test/unit/block_test.rb b/test/unit/block_test.rb
new file mode 100644
index 0000000..d628211
--- /dev/null
+++ b/test/unit/block_test.rb
@@ -0,0 +1,9 @@
+require File.dirname(__FILE__) + '/../test_helper'
+
+class BlockTest < Test::Unit::TestCase
+
+  should 'describe itself' do
+    assert_kind_of String, Block.description
+  end
+
+end
diff --git a/test/unit/main_block_test.rb b/test/unit/main_block_test.rb
new file mode 100644
index 0000000..4e532b5
--- /dev/null
+++ b/test/unit/main_block_test.rb
@@ -0,0 +1,10 @@
+require File.dirname(__FILE__) + '/../test_helper'
+
+class MainBlockTest < Test::Unit::TestCase
+
+  should 'describe itself' do
+    assert_kind_of String, MainBlock.description
+    assert_not_equal Block.description, MainBlock.description
+  end
+
+end
--
libgit2 0.21.2