Remove extraneous semicolon from head block

Before:

![screen shot 2013-08-15 at 2 08 38 pm](https://f.cloud.github.com/assets/72727/970528/68f1dea4-05d8-11e3-8915-f113b960dd24.png)

After:

![screen shot 2013-08-15 at 2 28 05 pm](https://f.cloud.github.com/assets/72727/970533/7b20a786-05d8-11e3-8f5a-598287ad58f3.png)