diff --git a/lib/mirimiri/document.rb b/lib/mirimiri/document.rb
index af57bb7..97af4ca 100644
--- a/lib/mirimiri/document.rb
+++ b/lib/mirimiri/document.rb
@@ -142,7 +142,7 @@ module Mirimiri
     end
 
     def self.get_url(name)
-      raise ArgumentError, "Bad encoding", name unless name.isutf9
+      raise ArgumentError, "Bad encoding", name unless name.isutf8
 
       atts = REXML::Document.new(Net::HTTP.get( URI.parse "http://en.wikipedia.org/w/api.php?action=query&titles=#{URI.escape name}&inprop=url&prop=info&format=xml" ).unaccent.toutf8).elements['api/query/pages/page'].attributes
 
diff --git a/lib/mirimiri/string.rb b/lib/mirimiri/string.rb
index c72d215..d91a7a7 100644
--- a/lib/mirimiri/string.rb
+++ b/lib/mirimiri/string.rb
@@ -66,7 +66,8 @@ module Mirimiri
 "whew","which","whichever","whichsoever","while","whilst","whither","who","whoa",
 "whoever","whole","whom","whomever","whomsoever","whose","whosoever","why","will",
 "wilt","with","within","without","worse","worst","would","wow","ye","yet","year",
-"yippee","you","your","yours","yourself","yourselves"
+"yippee","you","your","yours","yourself","yourselves",
+  "edit", "new", "page", "article", "http", "www", "com", "org", "wikipedia", "en"
   ]
 
   Transmap = {