fixed backtick error
Merge branch 'master' of https://github.com/golanger/go-tour-translator
Merge branch 'master' of https://github.com/golanger/go-tour-translator
Merge branch 'master' of https://github.com/golanger/go-tour-translator
Merge pull request #42 from suapapa/master

48, 49, 50, 51장 번역 완료
Merge branch 'master' of https://github.com/golanger/go-tour-translator
fixed typing error