[UPDATE] Fixing typos in annotations and documentation

[jeongseup]

In past, we had a lot of typos in our CVMS docs and annotations. And so it's not good to merge every PR for that. so we made a new update/fixing-typos branch. this branch will be used for only modifying our docs and notes.

And then, Every release should include and merge latest "update/fixing-typos" branch.