add css argument
diff --git a/man/revealjs_presentation.Rd b/man/revealjs_presentation.Rd
index b9544fe..bd60117 100644
--- a/man/revealjs_presentation.Rd
+++ b/man/revealjs_presentation.Rd
@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/revealjs_presentation.R
 \name{revealjs_presentation}
 \alias{revealjs_presentation}
@@ -9,8 +9,8 @@
   smart = TRUE, self_contained = TRUE, theme = "default",
   transition = "default", background_transition = "default",
   highlight = "default", mathjax = "default", template = "default",
-  includes = NULL, keep_md = FALSE, lib_dir = NULL, pandoc_args = NULL,
-  ...)
+  css = NULL, includes = NULL, keep_md = FALSE, lib_dir = NULL,
+  pandoc_args = NULL, ...)
 }
 \arguments{
 \item{incremental}{\code{TRUE} to render slide bullets incrementally. Note
@@ -68,6 +68,8 @@
   then some features of \code{revealjs_presentation} won't be available
   (see the Templates section below for more details).}
 
+\item{css}{One or more css files to include}
+
 \item{includes}{Named list of additional content to include within the
 document (typically created using the \code{\link{includes}} function).}