diff --git a/src/Control/Concurrent/ThreadManager.hs b/src/Control/Concurrent/ThreadManager.hs
--- a/src/Control/Concurrent/ThreadManager.hs
+++ b/src/Control/Concurrent/ThreadManager.hs
@@ -9,7 +9,7 @@
 
 module Control.Concurrent.ThreadManager
   ( ThreadManager
-  , ThreadStatus
+  , ThreadStatus (..)
   , make
   , fork, forkn, getStatus, waitFor, waitForAll
   ) where
@@ -33,7 +33,7 @@
 make :: IO ThreadManager
 make = TM `fmap` newMVar M.empty
 
--- | Make a managed thread.
+-- | Make a managed thread. Uses 'forkIO'.
 fork :: ThreadManager -> IO () -> IO ThreadId
 fork (TM tm) action =
     modifyMVar tm $ \m -> do
diff --git a/threadmanager.cabal b/threadmanager.cabal
--- a/threadmanager.cabal
+++ b/threadmanager.cabal
@@ -1,5 +1,5 @@
 name:         threadmanager
-version:      0.1
+version:      0.1.1
 license:      BSD3
 license-file: LICENSE
 author:       _Real World Haskell_, http://www.realworldhaskell.org/