diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,32 +1,15 @@
-Copyright (c) 2009, Sebastian Fischer
-
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
- 1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-
- 2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in
-    the documentation and/or other materials provided with the
-    distribution.
-
- 3. Neither the name of the author nor the names of his contributors
-    may be used to endorse or promote products derived from this
-    software without specific prior written permission.
+ALL PUBLIC DOMAIN MATERIAL IS OFFERED AS-IS. NO REPRESENTATIONS OR
+WARRANTIES OF ANY KIND ARE MADE CONCERNING THE MATERIALS, EXPRESS,
+IMPLIED, STATUTORY OR OTHERWISE, INCLUDING, WITHOUT LIMITATION,
+WARRANTIES OF TITLE, MERCHANTIBILITY, FITNESS FOR A PARTICULAR
+PURPOSE, NONINFRINGEMENT, OR THE ABSENCE OF LATENT OR OTHER DEFECTS,
+ACCURACY, OR THE PRESENCE OF ABSENCE OF ERRORS, WHETHER OR NOT
+DISCOVERABLE.
 
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR
-CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+IN NO EVENT WILL THE AUTHOR(S), PUBLISHER(S), OR PRESENTER(S) OF ANY
+PUBLIC DOMAIN MATERIAL BE LIABLE TO YOU ON ANY LEGAL THEORY FOR ANY
+SPECIAL, INCIDENTAL, CONSEQUENTIAL, PUNITIVE OR EXEMPLARY DAMAGES
+ARISING OUT OF THIS LICENSE OR THE USE OF THE WORK, EVEN IF THE
+AUTHOR(S), PUBLISHER(S), OR PRESENTER(S) HAVE BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
 
diff --git a/level-monad.cabal b/level-monad.cabal
--- a/level-monad.cabal
+++ b/level-monad.cabal
@@ -1,13 +1,13 @@
 Name:          level-monad
-Version:       0.1
+Version:       0.2
 Cabal-Version: >= 1.6
 Synopsis:      Non-Determinism Monad for Level-Wise Search
 Description:   This Haskell library provides an implementation of the
                MonadPlus type class that enumerates the levels of the
                search space and allows to implement breadth-first
                search.
-Category:      Control
-License:       BSD3
+Category:      Control, Monads
+License:       PublicDomain
 License-File:  LICENSE
 Author:        Sebastian Fischer
 Maintainer:    sebf@informatik.uni-kiel.de