diff --git a/wiki/Home.md b/wiki/Home.md
index 820e96c..a8b2e53 100644
--- a/wiki/Home.md
+++ b/wiki/Home.md
@@ -72,9 +72,10 @@ Settler is small enough (~140 LOC) that no concern-split was needed (per P6.6).
 
 <!-- BEGIN AUTOGEN: topic-contract -->
 
-| Canonical topic | Aliases | Payload | Effect |
-|---|---|---|---|
-| `data.influent` | `influent`, `setInfluent` | `any` | Pushes a value into the node's measurement stream. |
+| Canonical topic | Aliases | Payload | Unit | Effect |
+|---|---|---|---|---|
+| `data.influent` | `influent`, `setInfluent` | `any` | — | Push the influent stream (payload: {F: flow m3/h, C: [concentrations mg/L]}). |
+| `child.register` | `registerChild` | `string` | — | Register a child node (typically a measurement) with this settler. |
 
 <!-- END AUTOGEN: topic-contract -->