It's dead simple; remove two capacitors and put one back in a different place...
The frequency response looks like this (before and after)
[URL=http://s1221.photobucket.com/user/paul_510/media/swrmod_zpsfda11699.jpg.html][IMG]http://i1221.photobucket.com/albums/dd471/paul_510/swrmod_zpsfda11699.jpg[/IMG][/URL]
And this is how it looks in the real world.
Before:
[URL=http://s1221.photobucket.com/user/paul_510/media/DSC01182_zps39cef70d.jpg.html][IMG]http://i1221.photobucket.com/albums/dd471/paul_510/DSC01182_zps39cef70d.jpg[/IMG][/URL]
After:
[URL=http://s1221.photobucket.com/user/paul_510/media/DSC01184_zpsed05383d.jpg.html][IMG]http://i1221.photobucket.com/albums/dd471/paul_510/DSC01184_zpsed05383d.jpg[/IMG][/URL]
[color=#141414][font=verdana, geneva, lucida,]1. remove the 0.1 uF capacitor[/font][/color]
[color=#141414][font=verdana, geneva, lucida,]2. Use it to replace the 0.001 uF capacitor[/font][/color]