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diff --git a/desiredata/doc/3.audio.examples/H12.peaking.pd b/desiredata/doc/3.audio.examples/H12.peaking.pd
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-#X text 35 195 This subpatch loads initial;
-#X text 31 219 values in number boxes.;
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-#X text 594 182 5;
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-#X text 596 596 updated for Pd version 0.39;
-#X text 183 10 PEAKING FILTER;
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-#X text 415 328 angle;
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-#X text 266 332 pole and zero;
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-#X text 21 34 To get a peaking filter \, start with a shelving filter
-but rotate the pole and zero to the point on the unit circle you want
-to amplify or attenuate. The rpole~ and rzero~ filters are replaced
-with their complex-valued siblings \, cpole~ and czero~. These filters
-take a (real \, imaginary) pair to filter and another (real-imaginary)
-pair to specify the pole or zero. As for rpole~ and rzero~ \, the coefficients
-may change at audio rate.;
-#X text 22 162 The outputs of cpole~ and czero~ are also in the form
-of a (real-imaginary) pair. Both outlets of cpole~ are connected to
-czero~ in this example \, but then since we want a real-valued filter
-\, we only take the real part of the (complex) output of czero~.;
-#X text 23 246 Here the pole and zero radii (p and q) control the center-frequency
-gain by the formula (1-q)/(1-p). The closer to 1 the radii \, the narrower
-the band affected. The non-peak gain \, (1+q)/(1+p) \, is close to
-1 as long as p and q are at least 50% or so.;
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