Fixing broken Zetta Browser Link in Step 1 : info text

Broken Link fix for Zetta Browser in Step 1 : info text
![screen shot 2014-11-12 at 2 54 04 pm](https://cloud.githubusercontent.com/assets/401861/5007822/cc7189bc-6a7b-11e4-8cb9-fe448ab297fd.png)