Update TODO with current MOW hinting status.

vimperator/TODO

@@ -42,7 +42,7 @@ BUGS:
 - :messages is _very_ slow for message history of several thousand lines ->
   Unresponsive Script: util.js:79 (sometimes xmlToDom() and elsewhere)
 - :hardcopy! seems to be broken for me
-- MOW hinting is broken, perhaps this should be properly disabled for 2.0
+- some extended hint commands aren't working in the MOW (;; ;t ;b ;? ;F)
 
 FEATURES:
 9 finish :help TODOs