Bad url line 19 of script 'install.zerotier.com'

Minor issue
In scriot [code]https://install.zerotier.com
#see 
https://github.com/zerotier/download.zerotier.com
# I get a 404 when I do https://github.com/zerotier/download.zerotier.com[/code]

[code]
# line 19 =
# Base URL for download.zerotier.com tree; see https://github.com/zerotier/download.zerotier.com if you want to mirror.[/code]

