diff --git a/free-programming-books.md b/free-programming-books.md
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@@ -864,7 +864,7 @@
 * [A Haskell School of Music](http://haskell.cs.yale.edu/?post_type=publication&p=112) (PDF) (work in progress)
 * [Anatomy of Programming Languages](http://www.cs.utexas.edu/~wcook/anatomy/) - William R. Cook
 * [Beautiful Code, Compelling Evidence](http://vis.renci.org/jeff/2009/01/16/beautiful-code-compelling-evidence/) (PDF)
-* [Exploring Generic Haskell](http://www.andres-loeh.de/ExploringGH.pdf) - Andres L¨oh
+* [Exploring Generic Haskell](http://www.andres-loeh.de/ExploringGH.pdf) - Andres Löh
 * [Haskell and Yesod](http://www.yesodweb.com/book-1.2)
 * [Haskell no panic](http://lisperati.com/haskell/)
 * [Haskell web Programming](http://yannesposito.com/Scratch/fr/blog/Yesod-tutorial-for-newbies/) (Yesod tutorial)