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-rw-r--r--subx/065hex.subx2
1 files changed, 1 insertions, 1 deletions
diff --git a/subx/065hex.subx b/subx/065hex.subx
index 8ea76ba5..c888b520 100644
--- a/subx/065hex.subx
+++ b/subx/065hex.subx
@@ -729,7 +729,7 @@ test-hex-above-f:
     81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               0xc/imm32         # add to ESP
     c3/return
 
-from-hex-char:  # in/EAX : byte -> out/EAX : num
+from-hex-char:  # in/EAX : byte -> out/EAX : nibble
     # no error checking; accepts argument in EAX
     # if (EAX <= '9') return EAX - '0'
     3d/compare-EAX-with  0x39/imm32/9