diff --git a/wiki/Reference-Contracts.md b/wiki/Reference-Contracts.md
index e47d74f..5bb66a0 100644
--- a/wiki/Reference-Contracts.md
+++ b/wiki/Reference-Contracts.md
@@ -13,16 +13,16 @@
 
 The registry lives in `src/commands/index.js`. Each descriptor maps a canonical `msg.topic` to its handler in `src/commands/handlers.js`; aliases emit a one-time deprecation warning the first time they fire.
 
-<!-- BEGIN AUTOGEN: topic-contract — populate via wiki-gen tool (TODO) -->
+<!-- BEGIN AUTOGEN: topic-contract -->
 
 | Canonical topic | Aliases | Payload | Unit | Effect |
-|:---|:---|:---|:---|:---|
-| `data.flow` | `air_flow` | `number` | `volumeFlowRate` (default `m3/h`) | Push the measured air flow into the diffuser model. Clamps to &ge; 0 and recomputes OTR. |
-| `set.density` | `density` | `number` | bottom-coverage % | Update the diffuser bottom-coverage % used as the OTR curve family key. |
-| `set.water-height` | `height_water` | `number` | m | Update the water column height above the diffusers. Clamps to &ge; 0 and recomputes static head + total pressure. |
-| `set.header-pressure` | `header_pressure` | `number` | mbar (gauge) | Update the header (supply) pressure above atmospheric. Feeds air-density correction. |
-| `set.elements` | `elements` | `number` | integer > 0 | Update the count of active diffuser elements. Drives per-element flow and total membrane area. |
-| `set.alfa-factor` | `alfaFactor` | `number` | dimensionless (typically 0&ndash;1) | Update the alpha correction used in the kg O₂/h calculation. |
+|---|---|---|---|---|
+| `data.flow` | `air_flow` | `number` | `volumeFlowRate` (default `m3/h`) | Push the measured air flow into the diffuser model. |
+| `set.density` | `density` | `number` | — | Update the air density used in OTR / SOTR calculations. |
+| `set.water-height` | `height_water` | `number` | — | Update the water column height above the diffusers (m). |
+| `set.header-pressure` | `header_pressure` | `number` | — | Update the header (supply) pressure feeding the diffusers (mbar). |
+| `set.elements` | `elements` | `number` | — | Update the count of active diffuser elements. |
+| `set.alfa-factor` | `alfaFactor` | `number` | — | Update the alfa factor used in oxygen-transfer correction. |
 
 <!-- END AUTOGEN: topic-contract -->