### What problem does this PR solve? 1. Fix typo 2. Update comments. ### Type of change - [x] Bug Fix (non-breaking change which fixes an issue) Signed-off-by: Jin Hai <haijin.chn@gmail.com>
### What problem does this PR solve? 1. Fix typo 2. Update comments. ### Type of change - [x] Bug Fix (non-breaking change which fixes an issue) Signed-off-by: Jin Hai <haijin.chn@gmail.com>