diff --git a/ROMImages/Oric/readme.txt b/ROMImages/Oric/readme.txt
index de4b46be1..a8a8453f5 100644
--- a/ROMImages/Oric/readme.txt
+++ b/ROMImages/Oric/readme.txt
@@ -5,6 +5,11 @@ Expected files:
 basic10.rom
 basic11.rom
 colour.rom
-microdisc.rom
-8dos.rom
-pravetz.rom
\ No newline at end of file
+pravetz.rom
+
+Also potentially required:
+
+* microdisc.rom, for loading Microdisc software;
+* 8dos.rom, for loading Pravetz 8-DOS software;
+* jasmin.rom, for loading Jasmin disk interface software; and
+* bd500.rom, for loading Byte Drive 500 software.
\ No newline at end of file