Update NOTES

1 files changed, 1 insertions, 1 deletions

diff --git a/src/NOTES b/src/NOTES
index d155ab1..d2e6461 100644
--- a/src/NOTES
+++ b/src/NOTES
@@ -4,4 +4,4 @@ The original CHIP-8 implementation shifted Vy by 1 and stored the result
 in Vx.  Some GitHub projects shift the value in Vx by the value in Vy.
 Ahoy takes the approach of SCHIP where Vx is shifted by 1 and Vy is
 ignored.  The Ahoy assembler does not recognize a second Vy argument to
-either instruction.
+either instruction and the Y section of the instruction is always set to 0.