Fix Record's moduledoc

Author: alco

lib/elixir/lib/kernel.ex

@@ -1383,7 +1383,7 @@ defmodule Kernel do
     end
   end
 
-  @doc """
+  @doc %B"""
   Defines a record with a set of private macros to manipulate it.
 
   This macro defines a set of macros private to the current module to

lib/elixir/lib/record.ex

@@ -1,5 +1,5 @@
 defmodule Record do
-  @moduledoc """
+  @moduledoc %B"""
   Functions to define Elixir records
 
   A record is a tagged tuple which contains one or more elements and the first