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diff --git a/conferences/cineca2021.mdwn b/conferences/cineca2021.mdwn
index ec64b21f2b23020adb2f081a528aefe81847e49b..9065f1b2df844f1d4970e6f46be590fe47acf420 100644 (file)
--- a/conferences/cineca2021.mdwn
+++ b/conferences/cineca2021.mdwn
@@ -45,7 +45,7 @@ for the past 36 years in his spare time.
 * FFMPEG MP3 assembler, 450 lines <https://git.libre-soc.org/?p=openpower-isa.git;a=blob;f=media/audio/mp3/mp3_0_apply_window_float.s;hb=HEAD>
 * FFMPEG SVP64 MP3, under 100 lines <https://git.libre-soc.org/?p=openpower-isa.git;a=blob;f=media/audio/mp3/mp3_0_apply_window_float_basicsv.s;hb=HEAD>
 * Cooley Tukey FFT algorithm <https://en.wikipedia.org/wiki/Cooley%E2%80%93Tukey_FFT_algorithm#Data_reordering,_bit_reversal,_and_in-place_algorithms>
-* in-place FFT Buttery <https://en.wikipedia.org/wiki/File:DIT-FFT-butterfly.png>
+* in-place FFT Butterfky <https://en.wikipedia.org/wiki/File:DIT-FFT-butterfly.png>
 * SVP64 bit-reverse LOAD <https://git.libre-soc.org/?p=openpower-isa.git;a=blob;f=src/openpower/decoder/isa/test_caller_svp64_ldst.py;hb=HEAD>
 * SVP64 twin +/- Vectorised FMAC <https://git.libre-soc.org/?p=openpower-isa.git;a=blob;f=src/openpower/decoder/isa/test_caller_svp64_fft.py;h=6cb2b522be85a2f86a0b505d1878dbcec645cb90;hb=8dfffc9c2ff7bb91715500160d1b057f9bef3ba0>
 * not part of the video, more info about REMAP [[openpower/sv/remap]]