diff --git a/conf/homeserver.yaml b/conf/homeserver.yaml
index 7bac1ba..ed4b65e 100644
--- a/conf/homeserver.yaml
+++ b/conf/homeserver.yaml
@@ -1359,7 +1359,7 @@ default_identity_server: __DEFAULT_IDENTITY_SERVER__
 # As email delegates is managed by the synapse server itself this email section is 
 # not necessary but msisdn format is still composed by msisdn: <value> on a new line
 account_threepid_delegates: 
-    __ACCOUNT_THREEPID_DELEGATES_MSISDN__
+    msisdn: __ACCOUNT_THREEPID_DELEGATES_MSISDN__
     #email: https://example.com     # Delegate email sending to example.com
     #msisdn: http://localhost:8090  # Delegate SMS sending to this local process