Add 1 space to direction in lookaround action

Before:
![before-fix](https://cloud.githubusercontent.com/assets/5244047/2938174/c5cac5b4-d8f5-11e3-8148-119278e2fb87.png)
After:
![after-fix](https://cloud.githubusercontent.com/assets/5244047/2938175/cf7f6f74-d8f5-11e3-9c6c-e3fc9d0e3a61.png)