diff --git a/edges.cabal b/edges.cabal
--- a/edges.cabal
+++ b/edges.cabal
@@ -1,7 +1,7 @@
 name:
   edges
 version:
-  0.4
+  0.4.0.1
 category:
   Graphs
 synopsis:
diff --git a/library/Edges/Types.hs b/library/Edges/Types.hs
--- a/library/Edges/Types.hs
+++ b/library/Edges/Types.hs
@@ -6,7 +6,7 @@
 
 data Edges source target =
   Edges
-    {-# UNPACK #-} !Int {-^ Target array size -}
+    {-# UNPACK #-} !Int {- Target array size -}
     {-# UNPACK #-} !(PrimMultiArray Word32)
 
 newtype Node entity = Node Int