add path prefix for manpages

Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>

docs/web/cdist/documentation.mdwn

@@ -1,7 +1,7 @@
 [[!meta title="Documentation"]]
 
 You can browse the latest
-[latest version of the manpages](man/latest) or
+[latest version of the manpages](/software/cdist/man/latest) or
-have a look at [all versions](man).
+have a look at [all versions](/software/cdist/man).
 
 [[!tag cdist unix]]