Not arguing with blackdog that you'll hear the difference, but if you want to put in the effort of having a push/pull pot wired in, I'd use if for something more than a subtle difference in the tone control. Going from .022 to .047uf is just changing the cut off frequency of your tone control.
Think of the cap as a drain to ground. The bigger the cap, the easier it is for lower frequencies to pass through it to ground. So 5000 hz passes to ground easier than 50 hertz. Meaning you'll cut more high notes than low notes. Make the cap bigger twice as big, and you cut more of each frequency, probably twice as much 5000 . . . but that's wide open. Add in a resistor with the .047, some of that pot you have wired in series with the cap, and you shrink the drain again.
If you go to the effort of wiring in a switch, I'd do something more creative, like make one choice a .033, and the other choice a .047 and a 1 henry inductor to make a notch filter. With the cap, your graph of how much of a given frequency you cut is a sloped line that says you cut more sound the higher the frequency. With an inductor going to ground, the slope is the opposite, you let more of the low frequencies down the drain. Put both in line, and you essentially overlap the graphs. Now you cut the most at the notch
With .047 and 1h, it's around 730hz. bigger inductor, or bigger capacitor, and the frequency of the notch, the place the filter cuts out the most volume, goes down. A series parallel switch or a coil tap would also be a bigger change.
Long post, sorry, but if you're putting in the effort of modding the tone control, I figured you should know there are lots of easy mods that will have a bigger sonic effect.
Best,
Todd