error in wiki entries

git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@5016 2fb0f335-1f38-0410-981e-8018bf24f1b0

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}},