diff --git a/index.html b/index.html
index 7ffce88..ccd8f1d 100644
--- a/index.html
+++ b/index.html
@@ -57,8 +57,10 @@
 <a id="preview" class="anchor" href="#preview" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Preview</h2>
 
 <ul>
-<li><a href="materials/lesson.html">Lesson</a></li>
-<li><a href="materials/quiz.html">Quiz</a></li>
+<li>
+<a href="materials/lesson.html">Lesson</a>.</li>
+<li>
+<a href="materials/quiz.html">Quiz</a>.</li>
 </ul>
 
 <h2>
diff --git a/params.json b/params.json
index f6d7a00..a5f08dc 100644
--- a/params.json
+++ b/params.json
@@ -1 +1 @@
-{"name":"Minimalistic IMS Content Package template for e-learning","tagline":"","body":"This repository contains template files in order to prepare IMS Content Package 1.1 for e-learning purposes. Here you can prepare lesson modules as well as quizes. All content-based files are written HTML.\r\n\r\nWhole zipped repository can be instantly imported as an IMS package in Moodle and OLAT.\r\n\r\n## Features and libraries\r\n\r\n * Look & feel: [Bootstrap](http://getbootstrap.com),\r\n * Math notation: [MathJax](https://www.mathjax.org),\r\n * Table of contents auto-generation: [Auto ToC](http://magnetiq.com/exports/toc.htm),\r\n * Code syntax highlighting: [SyntaxHighlighter](http://alexgorbatchev.com/SyntaxHighlighter),\r\n * Quiz: single and multiple choice.\r\n \r\n## Preview\r\n\r\n * [Lesson](materials/lesson.html)\r\n * [Quiz](materials/quiz.html)\r\n \r\n## Brief how-to\r\n\r\n * `imsmanifest.xml` - defines tree of modules (lessons and quizes).\r\n * `materials/lesson.html` - header and footer have CSS and JS code to proper load the libraries; main part of body has content of the lesson.\r\n * `materials/quiz.html` - header and footer have CSS and JS code to proper load the libraries; main part of body has quiz questions; the beginning of body has list of correct answers.","google":"","note":"Don't delete this file! It's used internally to help with page regeneration."}
\ No newline at end of file
+{"name":"Minimalistic IMS Content Package template for e-learning","tagline":"","body":"This repository contains template files in order to prepare IMS Content Package 1.1 for e-learning purposes. Here you can prepare lesson modules as well as quizes. All content-based files are written HTML.\r\n\r\nWhole zipped repository can be instantly imported as an IMS package in Moodle and OLAT.\r\n\r\n## Features and libraries\r\n\r\n * Look & feel: [Bootstrap](http://getbootstrap.com),\r\n * Math notation: [MathJax](https://www.mathjax.org),\r\n * Table of contents auto-generation: [Auto ToC](http://magnetiq.com/exports/toc.htm),\r\n * Code syntax highlighting: [SyntaxHighlighter](http://alexgorbatchev.com/SyntaxHighlighter),\r\n * Quiz: single and multiple choice.\r\n \r\n## Preview\r\n\r\n * [Lesson](materials/lesson.html).\r\n * [Quiz](materials/quiz.html).\r\n \r\n## Brief how-to\r\n\r\n * `imsmanifest.xml` - defines tree of modules (lessons and quizes).\r\n * `materials/lesson.html` - header and footer have CSS and JS code to proper load the libraries; main part of body has content of the lesson.\r\n * `materials/quiz.html` - header and footer have CSS and JS code to proper load the libraries; main part of body has quiz questions; the beginning of body has list of correct answers.","google":"","note":"Don't delete this file! It's used internally to help with page regeneration."}
\ No newline at end of file