.

1 files changed, 5 insertions, 3 deletions

diff --git a/boot.subx b/boot.subx
index 028862ad..296a47b7 100644
--- a/boot.subx
+++ b/boot.subx
@@ -10,11 +10,13 @@
 # uses:
 #   - sigils only support 32-bit general-purpose registers, so don't work with segment registers or 16-bit or 8-bit registers
 #   - metadata like rm32 and r32 can sometimes misleadingly refer to only the bottom 16 bits of the register; pay attention to the register name
+#
+# While most of Mu is thoroughly tested, this file is not. I don't yet
+# understand hardware interfaces well enough to explain to others.
 
 # Memory map of a Mu computer:
-#   code: 4 tracks of disk to [0x00007c00, 0x00027400)
-#   stack grows down from 0x00070000
-#     see below
+#   code: currently 4 tracks loaded from the primary disk to [0x00007c00, 0x00027400)
+#   stack: grows down from 0x00070000
 #   heap: [0x01000000, 0x02000000)
 #     see 120allocate.subx
 # Consult https://wiki.osdev.org/Memory_Map_(x86) before modifying any of this.