Update bandit10.md
Update bandit10.md

Clarify wording
OverTheWireOrg/OverTheWire-website,OverTheWireOrg/OverTheWire-website,OverTheWireOrg/OverTheWire-website,OverTheWireOrg/OverTheWire-website,OverTheWireOrg/OverTheWire-website