diff --git a/tests/pc/vga/L23-1.ASM b/tests/pc/vga/L23-1.ASM
index 8c938f61d..ff8a72f6d 100644
--- a/tests/pc/vga/L23-1.ASM
+++ b/tests/pc/vga/L23-1.ASM
@@ -329,7 +329,7 @@ MoveBall:
 	mov	al,[HPan]
 	out	dx,al			;set new pel panning
 ;
-; Flip the page to draw to to the undisplayed page.
+; Flip the page to draw to the undisplayed page.
 ;
 	xor	[CurrentPage],1
 	jnz	IsPage1