indexable.rb in rdf-2.0.0.beta1

- old
+ new

@@ -16,10 +16,10 @@
 
     ##
     # Indexes `self`.
     #
     # @abstract
-    # @return [void]
+    # @return [self]
     def index!
       raise NotImplementedError, "#{self.class}#index!"
     end
   end # Indexable
 end # RDF