
This patch fixes the WARNING messages that pops up since Sphinx 5.x: WARNING: extlinks: Sphinx-6.0 will require a caption string to contain exactly one '%s' and all other '%' need to be escaped as '%%'. [1] https://www.sphinx-doc.org/en/master/usage/extensions/extlinks.html Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>