Update validate_config.yml

roles/matrix-bridge-mautrix-twitter/tasks/validate_config.yml

@@ -9,7 +9,7 @@
     - "matrix_mautrix_twitter_appservice_token"
     - "matrix_mautrix_twitter_homeserver_token"
 
-- name: Fail if required settings not defined
+- name: Fail if database is not defined
   fail:
     msg: >-
       You need to define a need to set `matrix_mautrix_twitter_database_engine: postgres` and redefine the other `matrix_mautrix_twitter_database_*` variables