some R CMD check stuff
diff --git a/man/revealjs_presentation.Rd b/man/revealjs_presentation.Rd
index a7ac564..7a6e134 100644
--- a/man/revealjs_presentation.Rd
+++ b/man/revealjs_presentation.Rd
@@ -80,6 +80,8 @@
 with \code{_files} appended to it.}
 
 \item{pandoc_args}{Additional command line options to pass to pandoc}
+
+\item{...}{Ignored}
 }
 \value{
 R Markdown output format to pass to \code{\link{render}}