diff --git a/declarative.cabal b/declarative.cabal
--- a/declarative.cabal
+++ b/declarative.cabal
@@ -1,5 +1,5 @@
 name:                declarative
-version:             0.2.1
+version:             0.2.2
 synopsis:            DIY Markov Chains.
 homepage:            http://github.com/jtobin/declarative
 license:             MIT
diff --git a/lib/Numeric/MCMC.hs b/lib/Numeric/MCMC.hs
--- a/lib/Numeric/MCMC.hs
+++ b/lib/Numeric/MCMC.hs
@@ -56,7 +56,7 @@
 -- >     (sampleT (slice 2.0) (slice 3.0))
 -- >
 -- > main :: IO ()
--- > main = withSystemRandom . asGenIO $ mcmc 10000 [0, 0] rosenbrock transition
+-- > main = withSystemRandom . asGenIO $ mcmc 10000 [0, 0] transition rosenbrock
 --
 -- See the attached test suite for other examples.