Read it through once

Her wound was forgotten in a moment. She countermanded the order, and sent another, to the officer in command of a battery, to stand ready to fire five shots in quick succession. This was a signal to the force on the Orleans side of the river under La Hire, who was not, as some of the histories say, with us. It was to be given whenever Joan should feel sure the boulevard was about to fall into her hands—then that force must make a counter-attack on the Tourelles by way of the bridge.