README.md in sax-machine-1.2.0 vs README.md in sax-machine-1.3.0

@@ -79,9 +79,11 @@
 end
 
 class Atom
   include SAXMachine
   # Use block to modify the returned value
+  # Blocks are working with pretty much everything,
+  # except for `elements` with `class` attribute
   element :title do |title|
     title.strip
   end
   # The :with argument means that you only match a link tag
   # that has an attribute of type: "text/html"