Fix inaccurate comment

roles/matrix-synapse/defaults/main.yml

@@ -70,8 +70,8 @@ matrix_synapse_rc_message_burst_count: 10.0
 # Otherwise, you would need to provide certificate files to it.
 matrix_synapse_no_tls: false
 # Controls whether the TLS federation listener is enabled (tcp/8448).
-# Note that federation may potentially be enabled on tcp/8008 as well.
 # Only makes sense if federation is not disabled (`matrix_synapse_federation_enabled`).
+# Note that federation may potentially be enabled as non-TLS on tcp/8048 as well.
 matrix_synapse_tls_federation_listener_enabled: "{{ not matrix_synapse_no_tls }}"
 matrix_synapse_tls_certificate_path: "/data/{{ hostname_matrix }}.tls.crt"
 matrix_synapse_tls_private_key_path: "/data/{{ hostname_matrix }}.tls.key"