diff --git a/papers/doc/7-systems/README.md b/papers/doc/7-systems/README.md
index f759956f..fe5af1ab 100644
--- a/papers/doc/7-systems/README.md
+++ b/papers/doc/7-systems/README.md
@@ -30,5 +30,7 @@ this is a list of systems that Furnace supports, including each system's effects
 - [Commodore PET](pet.md)
 - [Commodore VIC-20](vic20.md)
 - [Konami VRC6](vrc6.md)
+- [Famicom Disk System](fds.md)
+- [Nintendo MMC5](mmc5.md)
 
 Furnace also reads .dmf files with the [Yamaha YMU759](ymu759.md) system, but...