typos

TL;DR any optimization tips welcome for Xen-HVM VPS's, particularly for I/O and cpu weight/credit scheduler etc The "node" ---------------- i7-3770, 32GB RAM Debian Wheezy, Xen 4.1.4, xen hypervisor 4.1, xentools 4.3.1, Linux kernel: 3.2 (xen), etc. current configuration...