Fix a link [skip ci]
Fix a link [skip ci]


Former-commit-id: ec4c9854d11c48be17acca4f77d425b0adaf7e89 [formerly aaafdddcb3422e74fb8653d962ca069ece62506f]
Former-commit-id: cc0065df8971d5dd2e0c21b09bd2d2ab225be2b6
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine