typos in comment

lib/feedzirra/feed.rb

@@ -289,7 +289,7 @@ def self.add_url_to_multi(multi, url, url_queue, responses, options)
             end
           else
             # puts "Error determining parser for #{url} - #{c.last_effective_url}"
-            # raise NoParserAvailable.new("no valid parser for content.") (this would unfirtunately fail the whole 'multi', so it's not really useable)
+            # raise NoParserAvailable.new("no valid parser for content.") (this would unfortunately fail the whole 'multi', so it's not really usable)
             options[:on_failure].call(url, c.response_code, c.header_str, c.body_str) if options.has_key?(:on_failure)
           end
         end