diff --git a/docs/awesome_table_in_pdf.Rmd b/docs/awesome_table_in_pdf.Rmd
index 49724f7..f6e73e3 100644
--- a/docs/awesome_table_in_pdf.Rmd
+++ b/docs/awesome_table_in_pdf.Rmd
@@ -19,7 +19,7 @@
   %\VignetteEncoding{UTF-8}
 ---
 
-> Please see the package [documentation site](http://haozhu233.github.io/kableExtra) for how to use this package in HTML and more. 
+> Please see the package [documentation site](http://haozhu233.github.io/kableExtra) for how to use this package in HTML and more.  
 
 # Overview
 The goal of `kableExtra` is to help you build common complex tables and manipulate table styles. It imports the pipe `%>%` symbol from `magrittr` and verbalize all the functions, so basically you can add "layers" to a kable output in a way that is similar with `ggplot2` and `plotly`. 
diff --git a/docs/awesome_table_in_pdf.pdf b/docs/awesome_table_in_pdf.pdf
index ff0cb1b..f7bace8 100644
--- a/docs/awesome_table_in_pdf.pdf
+++ b/docs/awesome_table_in_pdf.pdf
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