diff --git a/docs/threepids/medium/msisdn/twilio-connector.md b/docs/threepids/medium/msisdn/twilio-connector.md
index a0886df..5f17da5 100644
--- a/docs/threepids/medium/msisdn/twilio-connector.md
+++ b/docs/threepids/medium/msisdn/twilio-connector.md
@@ -8,7 +8,7 @@ threepid:
     msisdn:
       connectors:
         twilio:
-          accountSid: 'myAccountSid'
-          authToken: 'myAuthToken'
+          account_sid: 'myAccountSid'
+          auth_token: 'myAuthToken'
           number: '+123456789'
 ```