minor: fix for linkcheckplugin violation
minor: fix for linkcheckplugin violation

jonmbake/checkstyle,jonmbake/checkstyle,romani/checkstyle,rnveach/checkstyle,romani/checkstyle,jonmbake/checkstyle,rnveach/checkstyle,romani/checkstyle,romani/checkstyle,checkstyle/checkstyle,rnveach/checkstyle,rnveach/checkstyle,rnveach/checkstyle,romani/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,romani/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,rnveach/checkstyle