update readme
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@@ -2,6 +2,12 @@
 [![CRAN_version](http://www.r-pkg.org/badges/version/kableExtra)](https://cran.r-project.org/package=kableExtra)
 [![CRAN_download](http://cranlogs.r-pkg.org/badges/kableExtra)](https://cran.r-project.org/package=kableExtra)
 
+***
+
+**If you find using `kableExtra` will "unload" LaTeX packages you defined in the yaml header, you need to install the latest dev version of `rmarkdown` from github. Please see [issue 5](https://github.com/haozhu233/kableExtra/issues/5) & [issue 11](https://github.com/haozhu233/kableExtra/issues/11) for details.**
+
+***
+
 When we are talking about table generators in R, knitr::kable wins lots of flavor by its ultimate simplicity. Unlike those powerful table rendering engines such as `xtable`, the philosophy behind 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 tables. - Yihui
@@ -67,7 +73,6 @@
 - [Create Awesome LaTeX Table with knitr::kable and kableExtra](http://haozhu233.github.io/kableExtra/awesome_table_in_pdf.pdf)
 
 ## Limitations/Known bug
-- **If you find using `kableExtra` will "unload" LaTeX packages you defined in the yaml header, you need to install the latest dev version of `rmarkdown`. Please see [issue 5](https://github.com/haozhu233/kableExtra/issues/5) & [issue 11](https://github.com/haozhu233/kableExtra/issues/11) for details.**
 - `add_header_above` and `add_footnote` should be able to work in any conditions but if you are using `kable_styling` in customed templates it can get a little tricky. 
 - In HTML, `kable_styling` assumes you to have bootstrap 3 style sheet loaded to have all features functioning. 
 - In LaTeX, it is known that striped lines is not working with tufte handout since right now I cannot insert a latex package to its LaTeX header.