Added a comment [skip hazardlib]
Added a comment [skip hazardlib]


Former-commit-id: eb159d30f5b3c96de3c4eb30f7f3003d2c878472 [formerly c725833ce092d4f1104a56f9b99fd6434c99ec0b]
Former-commit-id: 4e4de3901cb4fef4ea815c0f8dfed7dfc4607bb1
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine