Makes the main docstring more informative
Makes the main docstring more informative


Former-commit-id: 357013897cdbe3f18655f029ca30154a86cba700 [formerly 73458f8761c236af49d998676b4da5806ab540e0]
Former-commit-id: 5507820ff7cfb7afccabf01431fcc31f682c01a6
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine