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-rw-r--r--doc/instruction.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/instruction.txt b/doc/instruction.txt
index 3e80aea..f90f8b7 100644
--- a/doc/instruction.txt
+++ b/doc/instruction.txt
@@ -1,5 +1,6 @@
czx81 - A CURSES based ZX81 emulator
Copyright (C) 2020 Ian Cowburn
+ ZX81 ROM Copyright (C) 1981 Nine Tiles Networks LTD
KEYBOARD
--------