From 337c87b949b1725cd8c8bff5d52c1312c3a8baf4 Mon Sep 17 00:00:00 2001
From: Andrew Morgan <andrew@amorgan.xyz>
Date: Wed, 17 Feb 2021 12:11:08 +0000
Subject: [PATCH] Add 404 on make_knock if unknown room ID

---
 proposals/2403-knock.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/proposals/2403-knock.md b/proposals/2403-knock.md
index 7cac2eec..fb82adb3 100644
--- a/proposals/2403-knock.md
+++ b/proposals/2403-knock.md
@@ -417,6 +417,15 @@ This request was invalid, e.g. bad JSON. Example reply:
 }
 ```
 
+##### Status code 404:
+The room is unknown to the remote server. Example reply:
+```json
+{
+  "errcode": "M_NOT_FOUND",
+  "error": "Unknown room"
+}
+```
+
 ### `PUT /_matrix/federation/v2/send_knock/{roomId}/{eventId}`
 Submits a signed knock event to the resident homeserver for it to accept into
 the room's graph. Note that event format may differ between room versions.