add Control.Monad.Instances to nhc98 build

[haskell-directory.git] / Data / Graph.hs

diff --git a/Data/Graph.hs b/Data/Graph.hs
index 2edf495..6627f04 100644 (file)
--- a/Data/Graph.hs
+++ b/Data/Graph.hs
@@ -6,7 +6,7 @@
 -- 
 -- Maintainer  :  libraries@haskell.org
 -- Stability   :  experimental
--- Portability :  non-portable (requires non-portable module ST)
+-- Portability :  non-portable (uses Control.Monad.ST)
 --
 -- A version of the graph algorithms described in:
 --