GH-644: Expand note regarding Jekyll versions
GH-644: Expand note regarding Jekyll versions

lrytz/scala,scala/scala,shimib/scala,scala/scala,shimib/scala,martijnhoekstra/scala,lrytz/scala,lrytz/scala,lrytz/scala,martijnhoekstra/scala,scala/scala,martijnhoekstra/scala,lrytz/scala,lrytz/scala,martijnhoekstra/scala,martijnhoekstra/scala,martijnhoekstra/scala,scala/scala,shimib/scala,scala/scala,shimib/scala,scala/scala,shimib/scala,shimib/scala