fixed wrong config suggestion in README.md
Merge pull request #22 from BreiteSeite/master

fixed wrong config suggestion in README.md
Add the ability to disable right b prompt
Merge pull request #24 from kdisneur/feature/right_b_prompt_nothing

Add the ability to disable right b prompt
fix typo in README.md
Merge pull request #25 from yachi/patch-1

fix typo in README.md