[Haskell-beginners] typo in tutorial?

is there a typo in the tutorial? http://www.haskell.org/tutorial/io.html sequence_ :: [IO ()] -> IO () sequence_ [] = return () sequence_ (a:as) = do a sequence as Shouldn't that last line be the following? (if so could someone please report it? i don't know where to report typos/bugs in the tutorial) sequence_ (a:as) = do a sequence_ as