Fix decode flag
Fix decode flag

I'm on Ubuntu 14.04 and `-D` is invalid. 
`-d` gets the required output.
aidevops/kubernetes.github.io,erictune/erictune.github.io,erictune/erictune.github.io,ronaldpetty/kubernetes.github.io,aidevops/kubernetes.github.io,rata/kubernetes.github.io,rata/kubernetes.github.io,ronaldpetty/kubernetes.github.io,aidevops/kubernetes.github.io,rata/kubernetes.github.io,aidevops/kubernetes.github.io,rata/kubernetes.github.io,rata/kubernetes.github.io,erictune/erictune.github.io,aidevops/kubernetes.github.io,ronaldpetty/kubernetes.github.io,erictune/erictune.github.io,erictune/erictune.github.io