A family of five daughters gets the inheritance rules changed so that the family name doesn’t only pass though the male line.
Not only another example of the Israelites being one of the more progressive ancient cultures as regards women, it shows how much the family stake in the promised land meant to them.
Their parents, as punishment for being faithless after the Exodus, could not see the promised land. But they had enough of a journey in belief that they believed their children would, and it was important to them that their family name continued to be part of that.
Moses commissions Joshua to lead the people. We are set for reaching the holy land!