docs: fix formatting in road_data

R/road_data.R

@@ -7,19 +7,19 @@
 #' and 23rd June 2005.
 #'
 #' @docType data
-#' @format Data frame with 65533 observations (rows) on the following 10
-#'   variables: \describe{ \item{list("date")}{Observation date/time stamp in
+#' @format Data frame with 65533 observations (rows) and the following 10
+#'   variables: \describe{ \item{date}{Observation date/time stamp in
 #'   year-month-day hour:minute:second format (POSIXct). }
-#'   \item{list("ws")}{Wind speed, in m/s, as numeric vector.}
-#'   \item{list("wd")}{Wind direction, in degrees from North, as a numeric
-#'   vector.} \item{list("nox")}{Oxides of nitrogen concentration, in ppb, as a
-#'   numeric vector.} \item{list("no2")}{Nitrogen dioxide concentration, in ppb,
-#'   as a numeric vector.} \item{list("o3")}{Ozone concentration, in ppb, as a
-#'   numeric vector.} \item{list("pm10")}{Particulate PM10 fraction measurement,
-#'   in ug/m3 (raw TEOM), as a numeric vector.} \item{list("so2")}{Sulfur
+#'   \item{ws}{Wind speed, in m/s, as numeric vector.}
+#'   \item{wd}{Wind direction, in degrees from North, as a numeric
+#'   vector.} \item{nox}{Oxides of nitrogen concentration, in ppb, as a
+#'   numeric vector.} \item{no2}{Nitrogen dioxide concentration, in ppb,
+#'   as a numeric vector.} \item{o3}{Ozone concentration, in ppb, as a
+#'   numeric vector.} \item{pm10}{Particulate PM10 fraction measurement,
+#'   in ug/m3 (raw TEOM), as a numeric vector.} \item{so2}{Sulfur
 #'   dioxide concentration, in ppb, as a numeric vector.}
-#'   \item{list("co")}{Carbon monoxide concentration, in ppm, as a numeric
-#'   vector.} \item{list("pm25")}{Particulate PM2.5 fraction measurement, in
+#'   \item{co}{Carbon monoxide concentration, in ppm, as a numeric
+#'   vector.} \item{pm25}{Particulate PM2.5 fraction measurement, in
 #'   ug/m3, as a numeric vector.} }
 #' @keywords datasets
 #' @family built-in datasets