Update lab1.md

Fixed typo in lab1 instructions around apic3 field offset.

diff --git a/instructions/lab1.md b/instructions/lab1.md
index abc373aa3f519c12384633bdf07564cf3a09793a..c7378aeb3b6423746e42ec939a1ce28c9b3fa5ac 100644 (file)
--- a/instructions/lab1.md
+++ b/instructions/lab1.md
@@ -427,7 +427,7 @@ that memory in a location the kernel can read from.  The bios call is defined in
 # +0 : an 8-byte physical_address field
 # +8 : an 8-byte length field
 # +16 : a 4-byte type field
-# +24 : a 4 byte apic3 field (unused)
+# +20 : a 4 byte apic3 field (unused)
 #
 # The physical_address field contains the physical address of the RAM block
 # The length field contains the number of bytes in this RAM block