add two more comments
add two more comments

sunnyqianzhang/on-build-config,sunnyqianzhang/on-build-config,changev/on-build-config,changev/on-build-config,srinia6/on-build-config,srinia6/on-build-config,changev/on-build-config,sunnyqianzhang/on-build-config,srinia6/on-build-config