diff --git a/changelogs/client_server/newsfragments/1084.clarification b/changelogs/client_server/newsfragments/1084.clarification
new file mode 100644
index 000000000..c0d6e0f3c
--- /dev/null
+++ b/changelogs/client_server/newsfragments/1084.clarification
@@ -0,0 +1 @@
+Mention that the `/rooms/{roomId}/invite` endpoint will return a 200 response if the user is already invited to the room.
diff --git a/data/api/client-server/inviting.yaml b/data/api/client-server/inviting.yaml
index 9beda8a09..c24e5f491 100644
--- a/data/api/client-server/inviting.yaml
+++ b/data/api/client-server/inviting.yaml
@@ -80,7 +80,7 @@ paths:
             required: ["user_id"]
       responses:
         200:
-          description: The user has been invited to join the room.
+          description: The user has been invited to join the room, or was already invited to the room.
           examples:
             application/json: {
               }