This is a proposal related to https://groups.google.com/d/msg/rubyonrails-core/o3wWBsTSbxU/s9X6pJHDBwAJ
I see many Pull Requests fixing typos in documents. This can be done mostly automatically by machines.
I found there’s a good tool to find misspells. https://github.com/client9/misspell
If we can run this tool on CI, we can reduce the number of Pull Requests just fixing typos.