Add missing @return docs

Author: joeroe

R/chron.R

@@ -25,6 +25,9 @@
 #' [countrycode::countryname()], or return an error if any values of `country`
 #' cannot be matched.
 #'
+#' @return
+#' A data frame with the returned data from XRONOS.
+#'
 #' @export
 #'
 #' @examples

R/xronos-api.R

@@ -113,6 +113,7 @@ xronos_parse <- function(response) {
 #'
 #' @return
 #' A row of parsed JSON for an individual measurement.
+#'
 #' @keywords internal
 #' @noRd
 process_measurement <- function(measurement) {