add link according to issue #10635

doc/tex/cdo_int.tex

@@ -50,6 +50,8 @@ The main {\CDO} features are:
 %item Free available and runs on all UNIX platforms.
 \end{itemize}
 
+Latest pdf documentation be found \href{https://code.mpimet.mpg.de/projects/cdo/embedded/cdo.pdf}{here}.
+
 \input{install}
 
 \input{usage}