diff --git a/R/cycle.R b/R/cycle.R
index 077be0c..857d044 100644
--- a/R/cycle.R
+++ b/R/cycle.R
@@ -1,7 +1,13 @@
-#' Cycle
+#' Create a 2 by 2 grid pattern of rotated pictures
 #'
-#' @param p A grob
-#' @return A grob
+#' `cycle` returns a 2 by 2 grid pattern of four pictures, each obtained from
+#' the input `grid::grob` picture `p`. In the top left position of the grid
+#' is `p`, in the bottom-right position is the picture `p` rotated by 90 degrees.
+#' In the bottom-left position `p` is rotated through 180 degrees and in the
+#' top-right position `p` is rotated through 270 degrees.
+#'
+#' @param p A `grid::grob` for the top-left position
+#' @return A `grid::grob` made up of rotations of the four input pictures arranged in a 2 by 2 grid pattern.
 #' @export
 cycle <- function(p) {
   return(quartet(p, rot(rot(rot(p))), rot(p), rot(rot(p))))
diff --git a/R/rot.R b/R/rot.R
index f57f1db..f8cd924 100644
--- a/R/rot.R
+++ b/R/rot.R
@@ -1,8 +1,8 @@
 #' Rotate a picture
 #'
 #' `rot` returns a new picture, made by rotating the input picture. If no angle
-#' is specified then the new picture will be rotated 90 degrees. A different
-#' angle can be specified with the `angle` argument.
+#' is specified then the new picture will be rotated clockwise by 90 degrees. A
+#' different angle can be specified with the `angle` argument.
 #'
 #' @param g A `grid::grob` picture
 #' @param angle An angle
diff --git a/man/cycle.Rd b/man/cycle.Rd
index 35f3bec..fd7b97f 100644
--- a/man/cycle.Rd
+++ b/man/cycle.Rd
@@ -2,16 +2,20 @@
 % Please edit documentation in R/cycle.R
 \name{cycle}
 \alias{cycle}
-\title{Cycle}
+\title{Create a 2 by 2 grid pattern of rotated pictures}
 \usage{
 cycle(p)
 }
 \arguments{
-\item{p}{A picture}
+\item{p}{A `grid::grob` for the top-left position}
 }
 \value{
-A picture
+A `grid::grob` made up of rotations of the four input pictures arranged in a 2 by 2 grid pattern.
 }
 \description{
-Cycle
+`cycle` returns a 2 by 2 grid pattern of four pictures, each obtained from
+the input `grid::grob` picture `p`. In the top left position of the grid
+is `p`, in the bottom-right position is the picture `p` rotated by 90 degrees.
+In the bottom-left position `p` is rotated through 180 degrees and in the
+top-right position `p` is rotated through 270 degrees.
 }
diff --git a/man/rot.Rd b/man/rot.Rd
index ce6d603..6ffa6de 100644
--- a/man/rot.Rd
+++ b/man/rot.Rd
@@ -16,6 +16,6 @@ A rotated `grid::grob` picture
 }
 \description{
 `rot` returns a new picture, made by rotating the input picture. If no angle
-is specified then the new picture will be rotated 90 degrees. A different
-angle can be specified with the `angle` argument.
+is specified then the new picture will be rotated clockwise by 90 degrees. A
+different angle can be specified with the `angle` argument.
 }