add all_cols to add_indent
diff --git a/man/kableExtra-package.Rd b/man/kableExtra-package.Rd
index f22e66c..4fba68e 100644
--- a/man/kableExtra-package.Rd
+++ b/man/kableExtra-package.Rd
@@ -9,8 +9,8 @@
When we are talking about table generators in R,
\href{https://yihui.name/knitr/}{knitr}'s \code{kable()} function wins lots of flavor
by its ultimate simplicity. Unlike those powerful table rendering engines
-such as \href{https://CRAN.R-project.org/package=xtable}{xtable}, the philosophy
-behind \href{https://rdrr.io/cran/knitr/man/kable.html}{knitr::kable()} is to
+such as \href{https://CRAN.R-project.org/package=xtable}{\code{xtable}}, the philosophy
+behind \href{https://rdrr.io/cran/knitr/man/kable.html}{\code{knitr::kable()}} is to
make it easy for programmers to use. Just as it claimed in its
function description, "this is a very simple table generator. It is simple
by design. It is not intended to replace any other R packages for making
@@ -29,9 +29,9 @@
\itemize{
\item Use default base \code{kable()} (Or a good alternative for markdown tables is
\code{pander::pander()}) for all simple tables
-\item Use \code{kable()} with \code{kableExtra} to generate 90 % of complex/advanced
+\item Use \code{kable()} with \code{kableExtra} to generate 90 \% of complex/advanced
tables in either HTML or LaTeX
-\item Only have to mess with raw HTML/LaTeX in the last 10% cases where
+\item Only have to mess with raw HTML/LaTeX in the last 10\% cases where
\code{kableExtra} cannot solve the problem
}