diff --git a/man/cell_spec.Rd b/man/cell_spec.Rd
new file mode 100644
index 0000000..237c15b
--- /dev/null
+++ b/man/cell_spec.Rd
@@ -0,0 +1,42 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/cell_spec.R
+\name{cell_spec}
+\alias{cell_spec}
+\title{Specify Cell format}
+\usage{
+cell_spec(x, format, bold = F, italic = F, monospace = F, color = NULL,
+  background = NULL, align = NULL, font_size = NULL, angle = NULL)
+}
+\arguments{
+\item{x}{Things to be formated. It could be a vector of numbers or strings.}
+
+\item{format}{Either "html" or "latex". It can also be set through
+\code{option(knitr.table.format)}, same as \code{knitr::kable()}.}
+
+\item{bold}{A T/F value to control whether the text of the selected column
+need to be bolded.}
+
+\item{italic}{A T/F value to control whether the text of the selected column
+need to be emphasized.}
+
+\item{monospace}{A T/F value to control whether the text of the selected column
+need to be monospaced (verbatim)}
+
+\item{color}{A character string for column text color. Here please pay
+attention to the differences in color codes between HTML and LaTeX.}
+
+\item{background}{A character string for column background color. Here please
+pay attention to the differences in color codes between HTML and LaTeX.}
+
+\item{align}{A character string for cell alignment. For HTML, possible values could
+be \code{l}, \code{c}, \code{r} plus \code{left}, \code{center}, \code{right}, \code{justify}, \code{initial} and \code{inherit}
+while for LaTeX, you can only choose from \code{l}, \code{c} & \code{r}.}
+
+\item{font_size}{Only if you want to specify font size locally in HTML.
+This feature is not available in LaTeX}
+
+\item{angle}{0-360, degree that the text will rotate.}
+}
+\description{
+Specify Cell format before it gets into kable
+}
diff --git a/man/row_spec.Rd b/man/row_spec.Rd
index 0ba6e0e..3b1e24a 100644
--- a/man/row_spec.Rd
+++ b/man/row_spec.Rd
@@ -6,7 +6,7 @@
 \usage{
 row_spec(kable_input, row, bold = FALSE, italic = FALSE,
   monospace = FALSE, color = NULL, background = NULL, align = NULL,
-  font_size = NULL)
+  font_size = NULL, angle = NULL)
 }
 \arguments{
 \item{kable_input}{Output of \code{knitr::kable()} with \code{format} specified}
@@ -33,8 +33,10 @@
 be \code{l}, \code{c}, \code{r} plus \code{left}, \code{center}, \code{right}, \code{justify}, \code{initial} and \code{inherit}
 while for LaTeX, you can only choose from \code{l}, \code{c} & \code{r}.}
 
-\item{font_size}{Only if you want to specify font size locally in HTML. This feature
-is not available in LaTeX}
+\item{font_size}{Only if you want to specify font size locally in HTML.
+This feature is not available in LaTeX}
+
+\item{angle}{0-360, degree that the text will rotate.}
 }
 \description{
 This function allows users to select a row and then specify