rewrote documentation for kw_generate

advertools/__init__.py

@@ -9,7 +9,7 @@
 from advertools.objects import *
 from advertools.permute import *
 from advertools.separate_rows import *
-from advertools.utm_builder import *
+from advertools.url_builders import *
 from advertools.word_frequency import *
 from advertools.string_to_textad import *
 from advertools.kw_generate import *