diff --git a/docs/api/runtime.md b/docs/api/runtime.md
index afde9792..60276172 100644
--- a/docs/api/runtime.md
+++ b/docs/api/runtime.md
@@ -11893,7 +11893,7 @@ Transport reconnects allowed after the first POST. Default 3; set 0 to disable.
 
 > `optional` **activityWindow?**: `number`
 
-Newest-last activity window `progress()` reports. Default 12 (matches `PiSeam`).
+Newest-last activity window `progress()` reports. Default 12.
 
 ***
 
diff --git a/src/runtime/supervise/runtime.ts b/src/runtime/supervise/runtime.ts
index b60de7e3..e66c5a13 100644
--- a/src/runtime/supervise/runtime.ts
+++ b/src/runtime/supervise/runtime.ts
@@ -334,7 +334,7 @@ export interface BridgeSeam {
   sessionId?: string
   /** Transport reconnects allowed after the first POST. Default 3; set 0 to disable. */
   maxReconnects?: number
-  /** Newest-last activity window `progress()` reports. Default 12 (matches `PiSeam`). */
+  /** Newest-last activity window `progress()` reports. Default 12. */
   activityWindow?: number
 }