-#' @param data Dataset, object of type \code{Data} output of \code{getData}
-#' @param indices Days indices where to forecast (the day after)
+#' @param data Object of type \code{Data}, output of \code{getData()}
+#' @param indices Indices where to forecast (the day after); integers relative to the
+#' beginning of data, or (convertible to) Date objects