diff --git a/42.md b/42.md
index fdc5d104..24f7f5d9 100644
--- a/42.md
+++ b/42.md
@@ -32,6 +32,8 @@ And, when sent by clients, the following form:
 ["AUTH", <signed-event-json>]
 ```
 
+Clients MAY provide signed events from multiple pubkeys in a sequence of `AUTH` messages. Relays MUST treat all pubkeys as authenticated accordingly.
+
 `AUTH` messages sent by clients MUST be answered with an `OK` message, like any `EVENT` message.
 
 ### Canonical authentication event
@@ -69,7 +71,9 @@ relay: ["AUTH", "<challenge>"]
 client: ["REQ", "sub_1", {"kinds": [4]}]
 relay: ["CLOSED", "sub_1", "auth-required: we can't serve DMs to unauthenticated users"]
 client: ["AUTH", {"id": "abcdef...", ...}]
+client: ["AUTH", {"id": "abcde2...", ...}]
 relay: ["OK", "abcdef...", true, ""]
+relay: ["OK", "abcde2...", true, ""]
 client: ["REQ", "sub_1", {"kinds": [4]}]
 relay: ["EVENT", "sub_1", {...}]
 relay: ["EVENT", "sub_1", {...}]