Fix minor indentation in example.
Fix minor indentation in example.

sisirkoppaka/chalk,jovilius/epic,dlwh/epic,scalanlp/chalk,yinxusen/chalk,yinxusen/chalk,bitemyapp/epic,langkilde/epic,HarishankarSomasundaram/epic,followyourheart/epic,maxim-rabinovich/epic,langkilde/epic,briantopping/epic,sisirkoppaka/chalk,nkhuyu/epic,scalanlp/chalk,chen0031/epic