Update code in rule-based matcher tutorial

website/docs/tutorials/rule-based-matcher.jade

@@ -4,7 +4,7 @@ p.u-text-large spaCy features a rule-matching engine that operates over tokens.
 
 +code("python", "Matcher Example").
     from spacy.matcher import Matcher
-    from spacy.attributes import *
+    from spacy.attrs import *
     import spacy
 
     nlp = spacy.load('en', parser=False, entity=False)