Interface advertise value

[admin@Mikrotik] /interface ethernet> set 0 advertise=           

Advertise ::= 10M-half|10M-full|100M-half|100M-full|1000M-half|1000M-full|2500M-full|5000M-full|10000M-full[,Advertise*]

What is [,Advertise*] referring to? I cannot find a syntax that works here.

It means you can place multiple values as in 10M-half,10M-full