-" -N<n> Use <n> OS threads (default: 1) (also sets -g)",
-" -g<n> Use <n> OS threads for GC (default: 1)",
+" -N<n> Use <n> processors (default: 1)",
+" -N Determine the number of processors to use automatically",
+" -q1 Use one OS thread for GC (turns off parallel GC)",
+" -qg<n> Use parallel GC only for generations >= <n> (default: 1)",
+" -qb Disable load-balancing in the parallel GC",
+" -qa Use the OS to set thread affinity",