Edit file File name : gnu-free-serif.metainfo.xml Content :<?xml version="1.0" encoding="UTF-8"?> <!-- Copyright 2014 Parag Nemade <pnemade AT redhat DOT com> --> <component type="font"> <id>gnu-free-serif</id> <metadata_license>CC-BY-3.0</metadata_license> <extends>gnu-free</extends> </component> Save