double escape backslash in doc
diff --git a/R/kable_as_image.R b/R/kable_as_image.R
index 725452d..c5b263e 100644
--- a/R/kable_as_image.R
+++ b/R/kable_as_image.R
@@ -28,7 +28,7 @@
#' `jpeg`, `gif`, `tiff`, etc. Default is `png`.
#' @param latex_header_includes A character vector of extra LaTeX header stuff.
#' Each element is a row. You can have things like
-#' `c("\\usepackage{threeparttable}", "\\usepackage{icons}")`
+#' `c("\\\\usepackage{threeparttable}", "\\\\usepackage{icons}")`
#' @param keep_pdf A T/F option to control if the mid-way standalone pdf should
#' be kept. Default is `FALSE`.
#' @param density Resolution to read the PDF file. Default value is 300, which
diff --git a/man/kable_as_image.Rd b/man/kable_as_image.Rd
index 4f287d6..24c8b62 100644
--- a/man/kable_as_image.Rd
+++ b/man/kable_as_image.Rd
@@ -21,7 +21,7 @@
\item{latex_header_includes}{A character vector of extra LaTeX header stuff.
Each element is a row. You can have things like
-\code{c("\\usepackage{threeparttable}", "\\usepackage{icons}")}}
+\code{c("\\\\usepackage{threeparttable}", "\\\\usepackage{icons}")}}
\item{keep_pdf}{A T/F option to control if the mid-way standalone pdf should
be kept. Default is \code{FALSE}.}