diff --git a/R/quartet.R b/R/quartet.R
index ea91e47..0b0fb0f 100644
--- a/R/quartet.R
+++ b/R/quartet.R
@@ -1,10 +1,15 @@
-#' Quartet
+#' Create a 2 by 2 grid pattern of pictures
 #'
-#' @param p A grob
-#' @param q Another grob
-#' @param r Yet another grob
-#' @param s The last grob
-#' @return A grob
+#' `quartet` returns a 2 by 2 grid pattern made up of the four input `grid::grob`
+#' pictures: `p`, `q`, `r` and `s`. In the final grid `p` is in the top-left
+#' position, `q` is in the top-right position, `r` is in the bottom-left
+#' position and `s` is in the top-right position.
+#'
+#' @param p A `grid::grob` for the top-left position
+#' @param q A `grid::grob` for the top-right position
+#' @param r A `grid::grob` for the bottom-left position
+#' @param s A `grid::grob` for the bottom-right position
+#' @return A `grid::grob` made up of the four input pictures arranged in a 2 by 2 grid pattern.
 #' @export
 quartet <- function(p, q, r, s) {
   return(above(beside(p, q), beside(r, s)))
diff --git a/man/quartet.Rd b/man/quartet.Rd
index 020bbd4..16efd41 100644
--- a/man/quartet.Rd
+++ b/man/quartet.Rd
@@ -2,22 +2,25 @@
 % Please edit documentation in R/quartet.R
 \name{quartet}
 \alias{quartet}
-\title{Quartet}
+\title{Create a 2 by 2 grid pattern of pictures}
 \usage{
 quartet(p, q, r, s)
 }
 \arguments{
-\item{p}{A picture}
+\item{p}{A `grid::grob` for the top-left position}
 
-\item{q}{Another picture}
+\item{q}{A `grid::grob` for the top-right position}
 
-\item{r}{Yet another picture}
+\item{r}{A `grid::grob` for the bottom-left position}
 
-\item{s}{The last picture}
+\item{s}{A `grid::grob` for the bottom-right position}
 }
 \value{
-A grob
+A `grid::grob` made up of the four input pictures arranged in a 2 by 2 grid pattern.
 }
 \description{
-Quartet
+`quartet` returns a 2 by 2 grid pattern made up of the four input `grid::grob`
+pictures: `p`, `q`, `r` and `s`. In the final grid `p` is in the top-left
+position, `q` is in the top-right position, `r` is in the bottom-left
+position and `s` is in the top-right position.
 }