diff --git a/docs/bookdown/index.html b/docs/bookdown/index.html
index 24ea124..3e346a2 100644
--- a/docs/bookdown/index.html
+++ b/docs/bookdown/index.html
@@ -25,7 +25,7 @@
 <meta name="author" content="Hao Zhu">
 
 
-<meta name="date" content="2018-10-16">
+<meta name="date" content="2018-10-23">
 
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <meta name="apple-mobile-web-app-capable" content="yes">
@@ -132,7 +132,7 @@
 <li class="chapter" data-level="1" data-path="index.html"><a href="index.html"><i class="fa fa-check"></i><b>1</b> Introduction</a></li>
 <li class="chapter" data-level="2" data-path="cross-format-tables-in-bookdown.html"><a href="cross-format-tables-in-bookdown.html"><i class="fa fa-check"></i><b>2</b> Cross-format Tables in Bookdown</a><ul>
 <li class="chapter" data-level="2.1" data-path="cross-format-tables-in-bookdown.html"><a href="cross-format-tables-in-bookdown.html#use-the-k-m-approach-instead-of-m-k"><i class="fa fa-check"></i><b>2.1</b> Use the “K-M” approach instead of “M-K”</a></li>
-<li class="chapter" data-level="2.2" data-path="cross-format-tables-in-bookdown.html"><a href="cross-format-tables-in-bookdown.html#prepare-your-tables-for-both-formats"><i class="fa fa-check"></i><b>2.2</b> Prepare Your Tables for Both Formats</a></li>
+<li class="chapter" data-level="2.2" data-path="cross-format-tables-in-bookdown.html"><a href="cross-format-tables-in-bookdown.html#prepare-your-tables-for-all-formats"><i class="fa fa-check"></i><b>2.2</b> Prepare Your Tables for All Formats</a></li>
 </ul></li>
 <li class="chapter" data-level="3" data-path="use-bootstrap-tables-in-gitbooks-epub.html"><a href="use-bootstrap-tables-in-gitbooks-epub.html"><i class="fa fa-check"></i><b>3</b> Use Bootstrap Tables in gitbooks &amp; epub</a><ul>
 <li class="chapter" data-level="3.1" data-path="use-bootstrap-tables-in-gitbooks-epub.html"><a href="use-bootstrap-tables-in-gitbooks-epub.html#gitbook"><i class="fa fa-check"></i><b>3.1</b> Gitbook</a></li>
@@ -158,7 +158,7 @@
 <div id="header">
 <h1 class="title">Using kableExtra in Bookdown</h1>
 <p class="author"><em>Hao Zhu</em></p>
-<p class="date"><em>2018-10-16</em></p>
+<p class="date"><em>2018-10-23</em></p>
 </div>
 <div id="introduction" class="section level1">
 <h1><span class="header-section-number">Chapter 1</span> Introduction</h1>