Update basis_spec.txt
diff --git a/spec/basis_spec.txt b/spec/basis_spec.txt
index ffb5a05..ba041a3 100644
--- a/spec/basis_spec.txt
+++ b/spec/basis_spec.txt
@@ -818,7 +818,7 @@
// For texture video, remember the endpoint and selector indices used by the block on this frame, for later reuse on the next frame.
if (is_video)
- prev_frame_indices[block_x + block_y * num_blocks_x] = endpoint_index | (selector_index << 16);
+ prev_frame_indices[block_x][block_y] = endpoint_index | (selector_index << 16);
// The block is fully decoded here. The codebook indices are endpoint_index and selector_index.
// Make sure they are valid
