added clarification for entering disqus shortname
added clarification for entering disqus shortname

prathapsridharan/publicworx-crowdtilt,sapierre/CFP,prathapsridharan/publicworx-crowdtilt,timchunght/crowdhero,timchunght/crowdhero,timchunght/crowdhero,Crowdtilt/CrowdtiltOpen,Crowdtilt/CrowdtiltOpen,studio666/CrowdtiltOpen,studio666/CrowdtiltOpen,studio666/CrowdtiltOpen,lanreayeni/CrowdtiltOpen,brijbhan/crowdtilt,sapierre/CFP,Crowdtilt/CrowdtiltOpen,lanreayeni/CrowdtiltOpen,brijbhan/crowdtilt,lanreayeni/CrowdtiltOpen