xhci controller support
-----------------------
-There also is xhci host controller support available. It got alot
+There is also xhci host controller support available. It got a lot
less testing than ehci and there are a bunch of known limitations, so
ehci may work better for you. On the other hand the xhci hardware
design is much more virtualization-friendly, thus xhci emulation uses
-less ressources (especially cpu). If you wanna give xhci a try
+less resources (especially cpu). If you want to give xhci a try
use this to add the host controller ...
qemu -device nec-usb-xhci,id=xhci