You have commit messages with errors ⧗ input: Add more contents in Mathematics and fix some typo 1. Add docs for block math and inline math 2. Change a grammar mistake at line 137, the single form should be used 3. Change the comma from Chinese to English for consistency of the doc. ✖ subject may not be empty [subject-empty] ✖ type may not be empty [type-empty] ✖ found 2 problems, 0 warnings ⓘ Get help: https://github.com/conventional-changelog/commitlint/#what-is-commitlint