diff --git a/index.md b/index.md
index 0d1baad0a..9c06b2cea 100644
--- a/index.md
+++ b/index.md
@@ -18,7 +18,7 @@ includes:
 * [PCx86](/docs/pcx86/), an x86-based IBM PC and PC-compatible emulator
 * [PC8080](/modules/pc8080/), an 8080 machine emulator (e.g., [Space Invaders](/devices/pc8080/machine/invaders/), [VT100 Terminal](/devices/pc8080/machine/vt100/))
 * [C1Pjs](/docs/c1pjs/), an emulation of the 6502-based [Ohio Scientific Challenger 1P](/devices/c1p/)
-* [PDPjs](/modules/pdp11/), a PDP-11 emulator currently in development (e.g., [PDP-11/20 and PDP-11/70](/devices/pdp11/machine/))
+* [PDPjs](/modules/pdp11/), a PDP-11 emulator currently in development (e.g., [PDP-11/20](/devices/pdp11/machine/1120/), [PDP-11/45](/devices/pdp11/machine/1145/), [PDP-11/70](/devices/pdp11/machine/1170/))
 
 All PCjs machine simulations are written entirely in [JavaScript](/modules/).  No Flash, Java or other plugins are
 required.  Supported browsers include modern versions of Chrome, Safari, Firefox, Internet Explorer (v9.0 and up), Edge,