diff --git a/999-further-reading.md b/999-further-reading.md
index 2ad5505..80270f6 100644
--- a/999-further-reading.md
+++ b/999-further-reading.md
@@ -7,4 +7,4 @@ the following authors and works have been formative:
   - [Why Hypercard Had to Die](https://loper-os.org/?p=568)
   - [Don't Blame the Mice](https://loper-os.org/?p=1299)
 - [Cory Doctorow], particularly:
-  - [The Coming War on General Computation](https://en.wikisource.org/wiki/The_Coming_War_on_General_Computation)
+  - [Lockdown](https://boingboing.net/2012/01/10/lockdown.html)
diff --git a/999-further-reading.md.asc b/999-further-reading.md.asc
index fc41ee1..3bb6eaf 100644
--- a/999-further-reading.md.asc
+++ b/999-further-reading.md.asc
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