diff --git a/doc/handbook/dumux-handbook.bib b/doc/handbook/dumux-handbook.bib
index 2197c94af..2afcc7618 100644
--- a/doc/handbook/dumux-handbook.bib
+++ b/doc/handbook/dumux-handbook.bib
@@ -886,10 +886,12 @@
 @MISC{DUNE-USER-WIKI,
   title = {{DUNE} User Wiki: \url{http://users.dune-project.org/}},
   key = {DUNE-USER-WIKI}
+}
 
 @MISC{DUNE-MAIN-WIKI,
   title = {{DUNE} Main Wiki: \url{http://users.dune-project.org/projects/main-wiki/wiki/}},
   key = {DUNE-MAIN-WIKI}
+}
 
 @MISC{DUNE-DOWNLOAD-SVN,
   title = {Download of {DUNE} via SVN: \url{http://www.dune-project.org/downloadsvn.html}},