Docu update.

doc/tex/contributors.tex

@@ -29,7 +29,7 @@ The SCRIP library was converted from Fortran to ANSI C and is used as
 the base for the remapping operators in {\CDO}.
 
 \item[YAC] (Yet Another Coupler) was jointly developed by DKRZ and MPI-M by Moritz Hanke and Rene Redler \cite{YAC}.
-{\CDO} is using the clipping routines for the conservative remapping with remapycon.
+{\CDO} is using the clipping routines for the conservative remapping with {\htmlref{remapycon}{remapycon}}.
 
 \item[libkdtree] a C99 implementation of the kd-tree algorithm developed by J\"org Dietrich.
 \end{description}