diff --git a/api/client-server/keys.yaml b/api/client-server/keys.yaml
index 1b821dea..5fb6318e 100644
--- a/api/client-server/keys.yaml
+++ b/api/client-server/keys.yaml
@@ -349,9 +349,9 @@ paths:
                 items:
                   type: string
                 description: |-
-                  The Matrix User IDs of all users who may have left an
-                  end-to-end encrypted room that the user is joined to.
-                  identity keys.
+                  The Matrix User IDs of all users who may have left all
+                  the end-to-end encrypted rooms they previously shared
+                  with the user.
                 example: ["@clara:example.com", "@doug:example.org"]
       tags:
         - End-to-end encryption