Fixed two docstrings
Fixed two docstrings


Former-commit-id: 357dea807013d93c09ccafc6412faa96769e4b4e [formerly 357dea807013d93c09ccafc6412faa96769e4b4e [formerly 3148ebc475b1957c7214dfbcf68d4160060e510c]]
Former-commit-id: a0f26d322de0d9005a9b9c7eeae79eb1e39d80ea
Former-commit-id: e314075d1f9169482ff7da9359e3b747685fa0d9
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine