Minitab中的Cpk/cp&ppk/pp

Note Cp and Cpk represent the potential (short-term) capability of the process. Therefore, these formulas assume that the process is centered on the target or on the midpoint between specs (since you can assume that this is possible to do). Cp and Cpk use short-term variability.

Note Pp and Ppk represent the actual (long-term) capability of the process. Therefore, these formulas do not assume that the process is centered on the target or on the midpoint between specs. Pp and Ppk use long-term variability.

上面是Minitab中关于Cpk&Ppk的描述，搞错了？
是否应该
Cpk:Long term
Ppk:Short term