diff --git a/R/ped_plot.R b/R/ped_plot.R
index a436fce..b263825 100644
--- a/R/ped_plot.R
+++ b/R/ped_plot.R
@@ -50,7 +50,7 @@
 #' @param keep.par A logical (default = FALSE). If TRUE, the graphical
 #'   parameters are not reset after plotting, which may be useful for adding
 #'   additional annotation.
-#' @param yadj A tiny adjustment sometimes needed to fix the appearence of
+#' @param yadj A tiny adjustment sometimes needed to fix the appearance of
 #'   singletons.
 #' @param \dots arguments passed on to `plot.pedigree` in the `kinship2`
 #'   package. In particular `symbolsize` and `cex` can be useful.
diff --git a/man/plot.ped.Rd b/man/plot.ped.Rd
index f5a777d..642cb3f 100644
--- a/man/plot.ped.Rd
+++ b/man/plot.ped.Rd
@@ -106,7 +106,7 @@ additional annotation.}
 \item{\dots}{arguments passed on to \code{plot.pedigree} in the \code{kinship2}
 package. In particular \code{symbolsize} and \code{cex} can be useful.}
 
-\item{yadj}{A tiny adjustment sometimes needed to fix the appearence of
+\item{yadj}{A tiny adjustment sometimes needed to fix the appearance of
 singletons.}
 }
 \description{