Fixed docstring
Fixed docstring


Former-commit-id: fb3d458254f45f076a3ed924c68517c1624cfe40 [formerly aaf8b59c801e0e9e46570709f9d59a44031160d5]
Former-commit-id: 277efd6d7fe6fa7bc9ecd3df852008109e142f43
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine