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diff --git a/desiredata/doc/3.audio.examples/F03.pulse.spectrum.pd b/desiredata/doc/3.audio.examples/F03.pulse.spectrum.pd
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-#X text 184 23 bandwidth;
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-#X text 63 1 PULSE SPECTRUM MEASUREMENT;
-#X text 14 357 Here is a measured amplitude spectrum for the pulse
-train. Nutice that \, other than a smallish spillover \, the energy
-sits in one "lobe" whose changing width justifies our calling the squeeze
-factor the "bandwidth.";
-#X text 16 428 The spectrum is in units of amplitude. THe sidelobes
-\, although they look small \, are actually only about 34 dB down.
-You can design more complicated pulse trains \, little Blackman window
-functions \, which control the sidelobes much better.;
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-#X text 93 93 Fourier series;
-#X text 98 146 magnitude;
-#X text 96 131 calculate;
-#X text 21 3 This subpatch computes the spectrum of the incoming signal
-with a (rectangular windowed) FFT. FFTs aren't properly introduced
-until much later.;
-#X text 83 61 signal to analyze;
-#X text 193 164 delay two samples;
-#X text 191 182 for better graphing;
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-#X text 640 454 ---- 0.02 seconds ----;
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-#X text 605 488 updated for Pd version 0.37;
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