https://docs.lvgl.io/master/widgets/arc.html
lv_arc_set_change_rage(arc, rate) instead of lv_arc_set_change_rate(arc, rate)
https://docs.lvgl.io/master/widgets/arc.html
lv_arc_set_change_rage(arc, rate) instead of lv_arc_set_change_rate(arc, rate)
Hey, its better if you open a pr or issue on github to change the docs, it also be faster to change there.