SQM - Setting manual/static "target ms"

There are settings like "target", "itarget", "etarget"
https://openwrt.org/docs/guide-user/network/traffic-shaping/sqm_configuration

But whatever i set it to, it doesnt change when running "tc -s qdisc"

Its currently set on 5ms, and i want to play around with the value, but how?

Thanks