Edit typos
Edit typos

- "rationale," not "rational"
- added a period
apneadiving/Google-Maps-for-Rails,michael-gabenna/Google-Maps-for-Rails,ipmobiletech/Google-Maps-for-Rails,apneadiving/Google-Maps-for-Rails,michael-gabenna/Google-Maps-for-Rails,ekdin/Google-Maps-for-Rails,ekdin/Google-Maps-for-Rails,ipmobiletech/Google-Maps-for-Rails