diff --git a/deterministic-game-engine.cabal b/deterministic-game-engine.cabal
--- a/deterministic-game-engine.cabal
+++ b/deterministic-game-engine.cabal
@@ -1,5 +1,5 @@
 name:                deterministic-game-engine
-version:             0.3.0
+version:             0.3.1
 synopsis:            Simple deterministic game engine
 description:         Haskell library for creating simple deterministic games,
                      such as tic-tac-toe. The engine requires a minimal set of
@@ -42,6 +42,6 @@
   type:                exitcode-stdio-1.0
   build-depends:       base <5.0,
                        hspec >=2.1 && <2.2,
-                       deterministic-game-engine ==0.3.0
+                       deterministic-game-engine ==0.3.1
 
   default-language:    Haskell2010
diff --git a/src/Game/Deterministic/GameEngine.hs b/src/Game/Deterministic/GameEngine.hs
--- a/src/Game/Deterministic/GameEngine.hs
+++ b/src/Game/Deterministic/GameEngine.hs
@@ -7,12 +7,12 @@
 
 Simple generic example below. See the specs for a more detailed example.
 
-> import GameEngine
+> import Game.Deterministic.GameEngine
 >
-> game :: GameEngine Int Int
+> game :: Monad m => GameEngine m Int Int
 > game = GameEngine gameActions initialState
 >
-> gameActions :: GameActions Int Int
+> gameActions :: Monad m => GameActions m Int Int
 > gameActions = GameActions {
 >    getPlayer  = -- find the next player from a game state,
 >    getMove    = -- find a move from the game state,