Improved docstring [skip CI]
Improved docstring [skip CI]


Former-commit-id: c6702ea01c3f6223983af6cf1381936e215df47c [formerly 8fa968d3a49c0289a0be5c7d9eefda163b8ef7ba]
Former-commit-id: 65d0d88c02f4775c30ed7eee117817566115cddd
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine