diff --git a/docs/openapi.yml b/docs/openapi.yml
index 2dd1840b5..36f6cf00b 100644
--- a/docs/openapi.yml
+++ b/docs/openapi.yml
@@ -570,6 +570,7 @@ paths:
                 reference:
                   type: string
             example:
+              phone_number: "2028675309"
               template_id: "85b58733-7ebf-494e-bee2-a21a4ce17d58"
               personalisation:
                 variable: "value"