Fix feedback from CRAN

Author: thomasp85

R/facet-.R

@@ -9,8 +9,8 @@ NULL
 #' rendered.
 #'
 #' Extending facets can range from the simple modifications of current facets,
-#' to very laborious rewrites with a lot of [gtable()] manipulation.
-#' For some examples of both, please see the extension vignette.
+#' to very laborious rewrites with a lot of [`gtable()`][gtable::gtable()]
+#' manipulation. For some examples of both, please see the extension vignette.
 #'
 #' `Facet` subclasses, like other extendible ggproto classes, have a range
 #' of methods that can be modified. Some of these are required for all new

R/plot-build.R

@@ -160,7 +160,7 @@ layer_grob <- function(plot = last_plot(), i = 1L) {
 #' Build a plot with all the usual bits and pieces.
 #'
 #' This function builds all grobs necessary for displaying the plot, and
-#' stores them in a special data structure called a [gtable()].
+#' stores them in a special data structure called a [`gtable`][gtable::gtable].
 #' This object is amenable to programmatic manipulation, should you want
 #' to (e.g.) make the legend box 2 cm wide, or combine multiple plots into
 #' a single display, preserving aspect ratios across the plots.
@@ -171,7 +171,7 @@ layer_grob <- function(plot = last_plot(), i = 1L) {
 #' a ggplot2 plot.
 #'
 #' The `r link_book("gtable step section", "internals#sec-ggplotgtable")`
-#' @return a [gtable()] object
+#' @return a `gtable` object
 #' @keywords internal
 #' @param data plot data generated by [ggplot_build()]
 #' @export