message: Add seperated line
diff: @@ -53,5 +53,6 @@ class ClientCredsSpotify implements BaseClient{
  RwLockWriteGuard<Option<Token>> get_token_mut()
  &Credentials get_creds()
  ClientResult<Option<Token>> refetch_token()
  + ---
  }
  @enduml
  \ No newline at end of file
  