diff --git a/R/guide-legend.R b/R/guide-legend.R
index b728752518..0b1823d858 100644
--- a/R/guide-legend.R
+++ b/R/guide-legend.R
@@ -22,6 +22,7 @@
 #'   `legend.justification.*`, `legend.location` and `legend.box.*`.
 #' @param position A character string indicating where the legend should be
 #'   placed relative to the plot panels.
+#'   One of "top", "right", "bottom", "left", or "inside".
 #' @param direction  A character string indicating the direction of the guide.
 #'   One of "horizontal" or "vertical".
 #' @param override.aes A list specifying aesthetic parameters of legend key.
diff --git a/man/guide_legend.Rd b/man/guide_legend.Rd
index 366005c99f..e56efb0aff 100644
--- a/man/guide_legend.Rd
+++ b/man/guide_legend.Rd
@@ -32,7 +32,8 @@ the \code{legend}-prefix. Arguments that apply to combined legends
 \verb{legend.justification.*}, \code{legend.location} and \verb{legend.box.*}.}
 
 \item{position}{A character string indicating where the legend should be
-placed relative to the plot panels.}
+placed relative to the plot panels.
+One of "top", "right", "bottom", "left", or "inside".}
 
 \item{direction}{A character string indicating the direction of the guide.
 One of "horizontal" or "vertical".}