diff --git a/api/client-server/registration.yaml b/api/client-server/registration.yaml
index 280ec3e19..52693f5b5 100644
--- a/api/client-server/registration.yaml
+++ b/api/client-server/registration.yaml
@@ -215,7 +215,7 @@ paths:
               send_attempt:
                 type: number
                 description: Used to distinguish protocol level retries from requests to re-send the email.
-                example: "1"
+                example: 1
             required: ["client_secret", "email", "send_attempt"]
       responses:
         200: