diff --git a/ROMImages/PCCompatible/readme.txt b/ROMImages/PCCompatible/readme.txt
index 6fc30a465..737a1facd 100644
--- a/ROMImages/PCCompatible/readme.txt
+++ b/ROMImages/PCCompatible/readme.txt
@@ -4,4 +4,7 @@ GLABIOS_0.2.5_8T.ROM — the 8088 GlaBIOS ROM.
 Phoenix 80286 ROM BIOS Version 3.05.bin — Phoenix's 80286 AT-clone BIOS.
 EUMDA9.F14 — a dump of the MDA font.
 
-GlaBIOS is an open-source GPLv3 alternative BIOS for XT clones, available from https://glabios.org/
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+
+GlaBIOS is an open-source GPLv3 alternative BIOS for XT clones, available from https://glabios.org/
+
+The MDA font is in the form offered at https://github.com/viler-int10h/vga-text-mode-fonts i.e. it's 256 lots of 14 bytes, the first 14 being the content of character 0, the next 14 being the content of character 1, etc.
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