Update 'content/topic/against-the-coming-world-of-listening-machines.md'

content/topic/against-the-coming-world-of-listening-machines.md

@@ -55,4 +55,4 @@ Another response would be to say that when or if machines listen, they listen ![
 [^halcyon_audio_1]: Interview with [Halcyon Lawrence](http://www.halcyonlawrence.com/) on August 31, 2020.
 [^Virilio]: LIBRARY Paul Virilio, *Sightless Vision*
 [^Faroki, Paglen]: LIBRARY; Mark Andrejevic, [Operational Listening (Eavesdropping)](https://youtu.be/OxOKlgsc3_M), recorded on August 10, 2018 
-[^Billy Li]: LIBRARY: Li et al, Adversarial Music: Real world Audio Adversary against Wake-word Detection System (2019)
+[^Billy Li]: LIBRARY: Li et al, Adversarial Music: Real world Audio Adversary against Wake-word Detection System (2019). For a good introduction to adversarialism, see LIBRARY Goodfellow