diff --git a/docs/product/instrument-control-surface.md b/docs/product/instrument-control-surface.md
index b406e8d..a2ba3cc 100644
--- a/docs/product/instrument-control-surface.md
+++ b/docs/product/instrument-control-surface.md
@@ -1522,7 +1522,7 @@ The wave boundaries are collision boundaries, not preferences: `deck_values.cpp`
 by W1-T1 then W2-T1; `editor_paint_waveform.cpp` by W1-T3 then W2-T2; `deck_groups.cpp` by
 W1-T4 (the row predicate) then W2-T1 (the descriptor) then W3-T1 (the row consumption);
 `voice.cpp` by W1-T5 then W2-T1; and **one params-payload version bump per wave, owned by one
-track** (W1-T2 takes v14 for the limiter flag, W2-T1 takes v15 for rate + pitch offset) — the
+track** (W1-T2 takes v15 for the limiter flag, W2-T1 takes v16 for rate + pitch offset) — the
 two new W1 tracks take **no rung at all**, so the ladder is unchanged by the resequencing.
 Two shared files are named rather than discovered at merge:
 `core/instrument/engine/CMakeLists.txt` inside W1 (T2 | T5) and `editor_session.cpp` inside