diff --git a/zsnes/src/video/copyvid.inc b/zsnes/src/video/copyvid.inc
index 4187d768..e871c461 100644
--- a/zsnes/src/video/copyvid.inc
+++ b/zsnes/src/video/copyvid.inc
@@ -574,7 +574,7 @@ NEWSYM copymodeq224
     jmp .done
 .loopb
     mov ecx,16
-    MMXStuff                    ; Copy 64 64-bit words.
+    MMXStuff                    ; Copy 16 64-bit words.
     add esi,32                  ; ...
     dec edx
     jnz .loopb                  ; ...