diff --git a/man/add_footnote.Rd b/man/add_footnote.Rd
index 5bab0eb..c46cf0d 100644
--- a/man/add_footnote.Rd
+++ b/man/add_footnote.Rd
@@ -5,7 +5,7 @@
 \title{Add footnote}
 \usage{
 add_footnote(input, label = NULL, notation = "alphabet",
-  threeparttable = FALSE)
+  threeparttable = FALSE, escape = TRUE)
 }
 \arguments{
 \item{input}{The direct output of your \code{kable} function or your last
@@ -20,6 +20,9 @@
 \item{threeparttable}{Boolean value indicating if a
 \href{https://www.ctan.org/pkg/threeparttable}{threeparttable} scheme should
 be used.}
+
+\item{escape}{Logical value controlling if the label needs to be escaped.
+Default is TRUE.}
 }
 \description{
 Add footnote to your favorite kable output. So far this function
diff --git a/man/column_spec.Rd b/man/column_spec.Rd
index 81986e4..efe653d 100644
--- a/man/column_spec.Rd
+++ b/man/column_spec.Rd
@@ -27,9 +27,19 @@
 \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.}
+\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.}
+\item{background}{A character string for column background color. Here please
+pay attention to the differences in color codes between HTML and LaTeX.}
+
+\item{border_left}{A logical variable indicating whether there should be a
+border line on the left of the selected column. In HTML, you can also pass
+in a character string for the CSS of the border line}
+
+\item{border_right}{A logical variable indicating whether there should be a
+border line on the right of the selected column. In HTML, you can also pass
+in a character string for the CSS of the border line}
 }
 \description{
 This function allows users to select a column and then specify
diff --git a/man/kable_as_image.Rd b/man/kable_as_image.Rd
index 1fd162a..80e5bae 100644
--- a/man/kable_as_image.Rd
+++ b/man/kable_as_image.Rd
@@ -42,5 +42,5 @@
 package, which allows you to preview the results of TeX code in the Viewer panel.
 }
 \examples{
-kable_as_image(kable(mtcars, "latex"), "mtcars")
+kable_as_image(kanitr::kble(mtcars, "latex"), "mtcars")
 }
diff --git a/man/kable_styling.Rd b/man/kable_styling.Rd
index 1bc5c47..9c8e0de 100644
--- a/man/kable_styling.Rd
+++ b/man/kable_styling.Rd
@@ -25,7 +25,7 @@
 table to the exact position. It is useful when the \code{LaTeX} table is contained
 in a \code{table} environment after you specified captions in \code{kable()}. It will
 force the table to stay in the position where it was created in the document.
-A stronger version: \code{HOLD_position} requires the \code{float} package and specifies \link{H}.
+A stronger version: \code{HOLD_position} requires the \code{float} package and specifies \code{[H]}.
 \code{scale_down} is useful for super wide table. It will automatically adjust
 the table to page width. \code{repeat_header} in only meaningful in a longtable
 environment. It will let the header row repeat on every page in that long
@@ -59,6 +59,9 @@
 \item \code{repeat_header_text} is just a text string you want to append on or
 replace the caption.
 \item \code{stripe_color} allows users to pick a different color for their strip lines.
+\item \code{latex_table_env} character string to define customized table environment
+such as tabu or tabularx.You shouldn't expect all features could be
+supported in self-defined environments.
 }
 }
 \examples{
diff --git a/man/row_spec.Rd b/man/row_spec.Rd
index a344479..e31ba67 100644
--- a/man/row_spec.Rd
+++ b/man/row_spec.Rd
@@ -21,6 +21,12 @@
 
 \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.}
 }
 \description{
 This function allows users to select a row and then specify