Improved two comments
Improved two comments


Former-commit-id: 5da4ce7da8f54c7a9e825396f243dbff3515a02f [formerly c1bac062b7c96333f69326107134250b14c4b02c] [formerly c1bac062b7c96333f69326107134250b14c4b02c [formerly 081e1163433fcd5d93d1d09b4a50ffb00e6cb282]]
Former-commit-id: 22463635674db8bd3b2cd773d7b15182aa576044
Former-commit-id: 8980423b2b3f9e8cc6354e6e9020bd19a10cd45b
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine