Update index.bs

Co-authored-by: Ningxin Hu <[email protected]>

Author: inexorabletash

index.bs

@@ -7184,7 +7184,7 @@ partial dictionary MLOpSupportLimits {
             vx0y0 = input tensor value at (x0, y0)
             vx1y0 = input tensor value at (x1, y0)
             v01 = input tensor value at (x0, y1)
-            v11 = input tensor value at (x1, y1)
+            vx1y1 = input tensor value at (x1, y1)
             tx = inputCoordinate.x - x0
             ty = inputCoordinate.y - y0