fixing comment tone bullets

Before
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![image](https://cloud.githubusercontent.com/assets/960919/3763208/f4e8d22a-189f-11e4-8d0e-bcea6ba5eb58.png)
After
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![image](https://cloud.githubusercontent.com/assets/960919/3763206/e8e38448-189f-11e4-89c0-7b5665478709.png)

spaces around `>`