 
   @doc """
   Defines an opaque type.
-  This macro is the one responsible to handle the attribute @opaque.
+  This macro is the one responsible for handling the attribute `@opaque`.
 
   ## Examples
 


  @doc """
  Defines a type.
  This macro is the one responsible to handle the attribute @type.

  ## Examples



  @doc """
  Defines a callback.
  This macro is the one responsible for handling the attribute `@callback`.

  ## Examples

