Fixed docs [skip CI]
Fixed docs [skip CI]


Former-commit-id: afe68d8c562987dc49acdbfeda37d1fa7eaafc23 [formerly 3748c8c45a020f84586b4500b155b11ddc02f263]
Former-commit-id: f4bc068299b5fb44ac4fbcdb502659d655e2eb17
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine