diff --git a/source/_components/notify.twilio_sms.markdown b/source/_components/notify.twilio_sms.markdown
index 1e35c14866e..ec5002258ce 100644
--- a/source/_components/notify.twilio_sms.markdown
+++ b/source/_components/notify.twilio_sms.markdown
@@ -47,6 +47,6 @@ automation:
       data:
         message: 'The sun has set'
         target:
-          - +14151234567
-          - +15105555555
+          - '+14151234567'
+          - '+15105555555'
 ```