diff --git a/R/fortify-map.r b/R/fortify-map.r
index 81463f79e6..99950d5310 100644
--- a/R/fortify-map.r
+++ b/R/fortify-map.r
@@ -39,16 +39,16 @@ fortify.map <- function(model, data, ...) {
 
 #' Create a data frame of map data
 #'
-#' Easily turn data from the \pkg{maps} package in to a data frame suitable
+#' Easily turn data from the \pkg{maps} package into a data frame suitable
 #' for plotting with ggplot2.
 #'
-#' @param map name of map provided by the \pkg{maps} package.  These
+#' @param map name of map provided by the \pkg{maps} package. These
 #'   include [maps::county()], [maps::france()],
 #'   [maps::italy()], [maps::nz()],
 #'   [maps::state()], [maps::usa()],
 #'   [maps::world()], [maps::world2()].
-#' @param region name of subregions to include.  Defaults to `.` which
-#'   includes all subregion.  See documentation for [maps::map()]
+#' @param region name(s) of subregion(s) to include. Defaults to `.` which
+#'   includes all subregions. See documentation for [maps::map()]
 #'   for more details.
 #' @param exact should the `region` be treated as a regular expression
 #'   (`FALSE`) or as a fixed string (`TRUE`).
@@ -82,8 +82,8 @@ map_data <- function(map, region = ".", exact = FALSE, ...) {
 
 #' Create a layer of map borders
 #'
-#' This is a quick and dirty way to get map data (from the maps package)
-#' on to your plot. This is a good place to start if you need some crude
+#' This is a quick and dirty way to get map data (from the \pkg{maps} package)
+#' onto your plot. This is a good place to start if you need some crude
 #' reference lines, but you'll typically want something more sophisticated
 #' for communication graphics.
 #'
diff --git a/man/borders.Rd b/man/borders.Rd
index 98b2261f17..5dd532e372 100644
--- a/man/borders.Rd
+++ b/man/borders.Rd
@@ -69,8 +69,8 @@ a warning. If \code{TRUE}, missing values are silently removed.}
   }}
 }
 \description{
-This is a quick and dirty way to get map data (from the maps package)
-on to your plot. This is a good place to start if you need some crude
+This is a quick and dirty way to get map data (from the \pkg{maps} package)
+onto your plot. This is a good place to start if you need some crude
 reference lines, but you'll typically want something more sophisticated
 for communication graphics.
 }
diff --git a/man/map_data.Rd b/man/map_data.Rd
index 895dcb83c5..943283dd41 100644
--- a/man/map_data.Rd
+++ b/man/map_data.Rd
@@ -7,14 +7,14 @@
 map_data(map, region = ".", exact = FALSE, ...)
 }
 \arguments{
-\item{map}{name of map provided by the \pkg{maps} package.  These
+\item{map}{name of map provided by the \pkg{maps} package. These
 include \code{\link[maps:county]{maps::county()}}, \code{\link[maps:france]{maps::france()}},
 \code{\link[maps:italy]{maps::italy()}}, \code{\link[maps:nz]{maps::nz()}},
 \code{\link[maps:state]{maps::state()}}, \code{\link[maps:usa]{maps::usa()}},
 \code{\link[maps:world]{maps::world()}}, \code{\link[maps:world2]{maps::world2()}}.}
 
-\item{region}{name of subregions to include.  Defaults to \code{.} which
-includes all subregion.  See documentation for \code{\link[maps:map]{maps::map()}}
+\item{region}{name(s) of subregion(s) to include. Defaults to \code{.} which
+includes all subregions. See documentation for \code{\link[maps:map]{maps::map()}}
 for more details.}
 
 \item{exact}{should the \code{region} be treated as a regular expression
@@ -23,7 +23,7 @@ for more details.}
 \item{...}{all other arguments passed on to \code{\link[maps:map]{maps::map()}}}
 }
 \description{
-Easily turn data from the \pkg{maps} package in to a data frame suitable
+Easily turn data from the \pkg{maps} package into a data frame suitable
 for plotting with ggplot2.
 }
 \examples{