-#' \item{\code{append(new_serie, new_params, new_index_in_data)}}{
-#' Acquire a new individual forecast, with its (optimized) parameters and the corresponding
-#' index in the dataset.}
+#' \item{\code{append(forecast, params, index_in_data)}}{
+#' Acquire an individual forecast, with its (optimized) parameters and the
+#' corresponding index in the dataset.}