Fix a broken link in the demo
Fix a broken link in the demo

The wrapping was causing a bunch of spaces to be jammed in (at least on
Chrome).

Ex: https://github.com/jacobian/channels-%20%20%20%20example

cloud-fire/signalnews,TranDinhKhang/funkychat,davidkjtoh/GlorgoChat,ZipoZ/chatapp,davidkjtoh/GlorgoChat,ZipoZ/chatapp,TranDinhKhang/funkychat,jacobian/channels-example,TranDinhKhang/funkychat,davidkjtoh/GlorgoChat,ZipoZ/chatapp,cloud-fire/signalnews,jacobian/channels-example,cloud-fire/signalnews,jacobian/channels-example