diff --git a/Control/Concurrent/Thread/Group.hs b/Control/Concurrent/Thread/Group.hs
--- a/Control/Concurrent/Thread/Group.hs
+++ b/Control/Concurrent/Thread/Group.hs
@@ -127,17 +127,13 @@
 nrOfRunning ∷ ThreadGroup → STM Int
 nrOfRunning (ThreadGroup numThreadsTV) = readTVar numThreadsTV
 
--- | Convenience function which blocks until all threads, that were added to the
--- group have terminated.
+-- | Block until all threads in the group have terminated.
 --
 -- Note that: @wait = 'waitN' 1@.
 wait ∷ ThreadGroup → IO ()
 wait = waitN 1
 
--- | Convenience function to help place an upper bound on the number
--- of threads in the group.
---
--- Blocks until there are fewer threads occupied than the specified number.
+-- | Block until there are fewer than @N@ running threads in the group.
 waitN ∷ Int -> ThreadGroup → IO ()
 waitN i tg = atomically $ nrOfRunning tg >>= \n → when (n ≥ i) retry
 
diff --git a/threads.cabal b/threads.cabal
--- a/threads.cabal
+++ b/threads.cabal
@@ -1,5 +1,5 @@
 name:          threads
-version:       0.5.1.1
+version:       0.5.1.2
 cabal-version: >= 1.9.2
 build-type:    Custom
 stability:     experimental