Fixed docstring [skip CI]
Fixed docstring [skip CI]


Former-commit-id: 52be832d9116e699de02ca32e1b2f04ba8d6dadc [formerly b9c4fd1d23f626cda7aa55a45fd76063fc14e0b5]
Former-commit-id: 1869ccc94a1e7a77c2c38f33319eb14cd7dfd955
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine