diff --git a/probability.cabal b/probability.cabal
--- a/probability.cabal
+++ b/probability.cabal
@@ -1,5 +1,5 @@
 Name:               probability
-Version:            0.2.5.1
+Version:            0.2.5.2
 License:            BSD3
 License-File:       COPYRIGHT
 Author:             Martin Erwig <erwig@eecs.oregonstate.edu>, Steve Kollmansberger
@@ -28,7 +28,7 @@
 Source-Repository this
   type:     darcs
   location: http://code.haskell.org/~thielema/probability/
-  tag:      0.2.5.1
+  tag:      0.2.5.2
 
 
 Flag splitBase
@@ -40,7 +40,7 @@
     transformers >=0.0.1 && <0.6
   If flag(splitBase)
     Build-Depends:
-      containers >=0.1 && <0.6,
+      containers >=0.1 && <0.7,
       random >=1.0 && <2,
       base >=2 && <5
   Else
diff --git a/src/Numeric/Probability/Example/Kruskal.hs b/src/Numeric/Probability/Example/Kruskal.hs
--- a/src/Numeric/Probability/Example/Kruskal.hs
+++ b/src/Numeric/Probability/Example/Kruskal.hs
@@ -1,16 +1,16 @@
 {- |
-Given a row of n (~50) dice and
-two players starting with a random dice within the first m (~5) dice.
-Every player moves along the row, according the pips on the dice.
+Given a row of n (~50) dice,
+two players start with a random dice within the first m (~5) dice.
+Every player moves along the row, according to the pips on the dice.
 They stop if a move would exceed the row.
 What is the probability that they stop at the same die?
 (It is close to one.)
 
-Wuerfelschlange (german)
-http://faculty.uml.edu/rmontenegro/research/kruskal_count/kruskal.html
+Kruskal's trick:
+<http://faculty.uml.edu/rmontenegro/research/kruskal_count/kruskal.html>
 
-Kruskal's trick
-http://www.math.de/exponate/wuerfelschlange.html/
+Wuerfelschlange (german):
+<http://www.math.de/exponate/wuerfelschlange.html/>
 -}
 module Numeric.Probability.Example.Kruskal where