diff --git a/cpu/miscInstrs.asm b/cpu/miscInstrs.asm
index 73cedf0..0f1c050 100644
--- a/cpu/miscInstrs.asm
+++ b/cpu/miscInstrs.asm
@@ -1176,7 +1176,7 @@ testLdHCA:  ; 23b
 	set 1, b
 	ret
 
-testLdSpHl:  ; 24a
+testLdSpHl:  ; 24a (clobbers HL)
 	; Save the stack pointer to memory.
 	ld [$ff90], sp