Fix haddocks in CancelHandler

src/Stackctl/CancelHandler.hs

@@ -9,11 +9,11 @@ import Stackctl.Prelude
 
 import System.Posix.Signals
 
--- | Install a 'keyboardSignal handler, run an action, then remove it
+-- | Install a 'keyboardSignal' handler, run an action, then remove it
 with :: MonadUnliftIO m => m a -> m b -> m b
 with f = bracket (install f) (const remove) . const
 
--- | Install a 'keyboardSignal handler that runs the given action once
+-- | Install a 'keyboardSignal' handler that runs the given action once
 install :: MonadUnliftIO m => m a -> m ()
 install f = do
   withRunInIO $ \runInIO -> do
@@ -22,11 +22,11 @@ install f = do
           runInIO f
     void $ installHandler keyboardSignal handler Nothing
 
--- | Remove the current handler for 'keyboardSignal (i.e. install 'Default')
+-- | Remove the current handler for 'keyboardSignal' (i.e. install 'Default')
 remove :: MonadIO m => m ()
 remove = liftIO $ void $ installHandler keyboardSignal Default Nothing
 
--- | Trigger the installed 'keyboardSignal handler
+-- | Trigger the installed 'keyboardSignal' handler
 --
 -- This is used by our test suite.
 trigger :: MonadIO m => m ()