diff --git a/Home.md b/Home.md
index ca14426..4f23352 100644
--- a/Home.md
+++ b/Home.md
@@ -5,6 +5,7 @@ My restatements of hardware specifications; collated and compressed from various
 * [[The ZX80 and ZX81]]
 * [[The VIC 6560]]
 * [[Amstrad CPC Timing]]
+* [[Apple GCR disk encoding]]
 
 # Implementations