diff --git a/module1/ressources/introduction_to_markdown.html b/module1/ressources/introduction_to_markdown.html
index 3a369b8028fde7e838baa3f0ba592647f1a56e38..d0e31e32421e6adf7f6fbc2cfef8fa6538ee4a26 100644
--- a/module1/ressources/introduction_to_markdown.html
+++ b/module1/ressources/introduction_to_markdown.html
@@ -4,30 +4,30 @@
 <h2>Table of Contents</h2>
 <div id="text-table-of-contents">
 <ul style="margin:0 0;">
-<li style="margin-bottom:0;"><a href="#orgf9ca803">Syntaxe</a>
+<li style="margin-bottom:0;"><a href="#orgb6de63a">Syntaxe</a>
 <ul style="margin:0 0;">
-<li style="margin-bottom:0;"><a href="#org790b77e">Headers</a></li>
-<li style="margin-bottom:0;"><a href="#org7409a3b">Emphasis</a></li>
-<li style="margin-bottom:0;"><a href="#org99572bb">Lists</a>
+<li style="margin-bottom:0;"><a href="#orgc070ac4">Headers</a></li>
+<li style="margin-bottom:0;"><a href="#org0114059">Emphasis</a></li>
+<li style="margin-bottom:0;"><a href="#org6e38797">Lists</a>
 <ul style="margin:0 0;">
-<li style="margin-bottom:0;"><a href="#orgd2d4b41">Unordered</a></li>
-<li style="margin-bottom:0;"><a href="#orgbbf23a3">Ordered</a></li>
+<li style="margin-bottom:0;"><a href="#orgca21e79">Unordered</a></li>
+<li style="margin-bottom:0;"><a href="#orgfa05b8f">Ordered</a></li>
 </ul>
 </li>
-<li style="margin-bottom:0;"><a href="#org0189d57">Images</a></li>
-<li style="margin-bottom:0;"><a href="#org68790d0">Links</a></li>
-<li style="margin-bottom:0;"><a href="#org22b1165">Blockquotes</a></li>
-<li style="margin-bottom:0;"><a href="#org7e5dcb9">Inline code</a></li>
+<li style="margin-bottom:0;"><a href="#org56c0749">Images</a></li>
+<li style="margin-bottom:0;"><a href="#orgf2471dc">Links</a></li>
+<li style="margin-bottom:0;"><a href="#orgbc6a755">Blockquotes</a></li>
+<li style="margin-bottom:0;"><a href="#org27d6df6">Inline code</a></li>
 </ul>
 </li>
-<li style="margin-bottom:0;"><a href="#orgf302c9d">Écrire des Maths</a>
+<li style="margin-bottom:0;"><a href="#orgbeb2ceb">Écrire des Maths</a>
 <ul style="margin:0 0;">
-<li style="margin-bottom:0;"><a href="#orga91df34">Lettres grecques</a></li>
-<li style="margin-bottom:0;"><a href="#org15b40bd">Fonctions et opérateurs</a></li>
-<li style="margin-bottom:0;"><a href="#orgd59f59b">Exposants et indices</a></li>
-<li style="margin-bottom:0;"><a href="#org65e8a46">Fractions, coefficients binomiaux, racines, &#x2026;</a></li>
-<li style="margin-bottom:0;"><a href="#org0704266">Sommes et intégrales</a></li>
-<li style="margin-bottom:0;"><a href="#orgee37681">Déguisements</a></li>
+<li style="margin-bottom:0;"><a href="#orge4264ba">Lettres grecques</a></li>
+<li style="margin-bottom:0;"><a href="#orgd6fcd01">Fonctions et opérateurs</a></li>
+<li style="margin-bottom:0;"><a href="#orgcdc2fb6">Exposants et indices</a></li>
+<li style="margin-bottom:0;"><a href="#org8f8314a">Fractions, coefficients binomiaux, racines, &#x2026;</a></li>
+<li style="margin-bottom:0;"><a href="#org54eb08c">Sommes et intégrales</a></li>
+<li style="margin-bottom:0;"><a href="#orgc0e6abd">Déguisements</a></li>
 </ul>
 </li>
 </ul>
@@ -37,13 +37,13 @@
 Voici un aperçu rapide de la syntaxe Markdown repris d'une
 <a href="https://guides.github.com/features/mastering-markdown/">présentation de Github</a> ainsi que de celles d'<a href="http://csrgxtu.github.io/2015/03/20/Writing-Mathematic-Fomulars-in-Markdown/">Archer Reilly</a>.
 </p>
-<div id="outline-container-orgf9ca803" class="outline-2">
-<h2 id="orgf9ca803">Syntaxe</h2>
-<div class="outline-text-2" id="text-orgf9ca803">
+<div id="outline-container-orgb6de63a" class="outline-2">
+<h2 id="orgb6de63a">Syntaxe</h2>
+<div class="outline-text-2" id="text-orgb6de63a">
 </div>
-<div id="outline-container-org790b77e" class="outline-3">
-<h3 id="org790b77e">Headers</h3>
-<div class="outline-text-3" id="text-org790b77e">
+<div id="outline-container-orgc070ac4" class="outline-3">
+<h3 id="orgc070ac4">Headers</h3>
+<div class="outline-text-3" id="text-orgc070ac4">
 <pre style="padding-left: 30px; background-color: #f6f8fa;" class="example">
 # This is an &lt;h1&gt; tag
 ## This is an &lt;h2&gt; tag
@@ -52,9 +52,9 @@ Voici un aperçu rapide de la syntaxe Markdown repris d'une
 </div>
 </div>
 
-<div id="outline-container-org7409a3b" class="outline-3">
-<h3 id="org7409a3b">Emphasis</h3>
-<div class="outline-text-3" id="text-org7409a3b">
+<div id="outline-container-org0114059" class="outline-3">
+<h3 id="org0114059">Emphasis</h3>
+<div class="outline-text-3" id="text-org0114059">
 <pre style="padding-left: 30px; background-color: #f6f8fa;" class="example">
 *This text will be italic*
 _This will also be italic_
@@ -67,13 +67,13 @@ _You **can** combine them_
 </div>
 </div>
 
-<div id="outline-container-org99572bb" class="outline-3">
-<h3 id="org99572bb">Lists</h3>
-<div class="outline-text-3" id="text-org99572bb">
+<div id="outline-container-org6e38797" class="outline-3">
+<h3 id="org6e38797">Lists</h3>
+<div class="outline-text-3" id="text-org6e38797">
 </div>
-<div id="outline-container-orgd2d4b41" class="outline-4">
-<h4 id="orgd2d4b41">Unordered</h4>
-<div class="outline-text-4" id="text-orgd2d4b41">
+<div id="outline-container-orgca21e79" class="outline-4">
+<h4 id="orgca21e79">Unordered</h4>
+<div class="outline-text-4" id="text-orgca21e79">
 <pre style="padding-left: 30px; background-color: #f6f8fa;" class="example">
 * Item 1
 * Item 2
@@ -82,9 +82,9 @@ _You **can** combine them_
 </pre>
 </div>
 </div>
-<div id="outline-container-orgbbf23a3" class="outline-4">
-<h4 id="orgbbf23a3">Ordered</h4>
-<div class="outline-text-4" id="text-orgbbf23a3">
+<div id="outline-container-orgfa05b8f" class="outline-4">
+<h4 id="orgfa05b8f">Ordered</h4>
+<div class="outline-text-4" id="text-orgfa05b8f">
 <pre style="padding-left: 30px; background-color: #f6f8fa;" class="example">
 1. Item 1
 1. Item 2
@@ -95,27 +95,27 @@ _You **can** combine them_
 </div>
 </div>
 </div>
-<div id="outline-container-org0189d57" class="outline-3">
-<h3 id="org0189d57">Images</h3>
-<div class="outline-text-3" id="text-org0189d57">
+<div id="outline-container-org56c0749" class="outline-3">
+<h3 id="org56c0749">Images</h3>
+<div class="outline-text-3" id="text-org56c0749">
 <pre style="padding-left: 30px; background-color: #f6f8fa;" class="example">
 ![GitHub Logo](/images/logo.png)
 Format: ![Alt Text](url)
 </pre>
 </div>
 </div>
-<div id="outline-container-org68790d0" class="outline-3">
-<h3 id="org68790d0">Links</h3>
-<div class="outline-text-3" id="text-org68790d0">
+<div id="outline-container-orgf2471dc" class="outline-3">
+<h3 id="orgf2471dc">Links</h3>
+<div class="outline-text-3" id="text-orgf2471dc">
 <pre style="padding-left: 30px; background-color: #f6f8fa;" class="example">
 http://github.com - automatic!
 [GitHub](http://github.com)
 </pre>
 </div>
 </div>
-<div id="outline-container-org22b1165" class="outline-3">
-<h3 id="org22b1165">Blockquotes</h3>
-<div class="outline-text-3" id="text-org22b1165">
+<div id="outline-container-orgbc6a755" class="outline-3">
+<h3 id="orgbc6a755">Blockquotes</h3>
+<div class="outline-text-3" id="text-orgbc6a755">
 <pre style="padding-left: 30px; background-color: #f6f8fa;" class="example">
 As Kanye West said:
 
@@ -124,9 +124,9 @@ As Kanye West said:
 </pre>
 </div>
 </div>
-<div id="outline-container-org7e5dcb9" class="outline-3">
-<h3 id="org7e5dcb9">Inline code</h3>
-<div class="outline-text-3" id="text-org7e5dcb9">
+<div id="outline-container-org27d6df6" class="outline-3">
+<h3 id="org27d6df6">Inline code</h3>
+<div class="outline-text-3" id="text-org27d6df6">
 <pre style="padding-left: 30px; background-color: #f6f8fa;" class="example">
 I think you should use an
 `&lt;addr&gt;` element here instead.
@@ -134,9 +134,9 @@ I think you should use an
 </div>
 </div>
 </div>
-<div id="outline-container-orgf302c9d" class="outline-2">
-<h2 id="orgf302c9d">Écrire des Maths</h2>
-<div class="outline-text-2" id="text-orgf302c9d">
+<div id="outline-container-orgbeb2ceb" class="outline-2">
+<h2 id="orgbeb2ceb">Écrire des Maths</h2>
+<div class="outline-text-2" id="text-orgbeb2ceb">
 <p>
 Il est possible d'écrire des formules en Markdown, soit en mode <b>inline</b>
 soit en mode <b>displayed formulas</b>. Dans le premier cas, les formules
@@ -187,9 +187,9 @@ bien avec un <code>$</code>. Pour d'autres exemples plus complets jetez un coup
 d'œil à ces <a href="http://www.statpower.net/Content/310/R%20Stuff/SampleMarkdown.html">exemples de James H. Steiger</a>.
 </p>
 </div>
-<div id="outline-container-orga91df34" class="outline-3">
-<h3 id="orga91df34">Lettres grecques</h3>
-<div class="outline-text-3" id="text-orga91df34">
+<div id="outline-container-orge4264ba" class="outline-3">
+<h3 id="orge4264ba">Lettres grecques</h3>
+<div class="outline-text-3" id="text-orge4264ba">
 <table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
 
 
@@ -207,7 +207,7 @@ d'œil à ces <a href="http://www.statpower.net/Content/310/R%20Stuff/SampleMark
 <tbody>
 <tr>
 <td class="org-left">\(\alpha\)</td>
-<td class="org-left"><code>$\alpha=</code></td>
+<td class="org-left"><code>$\alpha$</code></td>
 </tr>
 
 <tr>
@@ -233,9 +233,9 @@ d'œil à ces <a href="http://www.statpower.net/Content/310/R%20Stuff/SampleMark
 </table>
 </div>
 </div>
-<div id="outline-container-org15b40bd" class="outline-3">
-<h3 id="org15b40bd">Fonctions et opérateurs</h3>
-<div class="outline-text-3" id="text-org15b40bd">
+<div id="outline-container-orgd6fcd01" class="outline-3">
+<h3 id="orgd6fcd01">Fonctions et opérateurs</h3>
+<div class="outline-text-3" id="text-orgd6fcd01">
 <table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
 
 
@@ -324,9 +324,9 @@ d'œil à ces <a href="http://www.statpower.net/Content/310/R%20Stuff/SampleMark
 </table>
 </div>
 </div>
-<div id="outline-container-orgd59f59b" class="outline-3">
-<h3 id="orgd59f59b">Exposants et indices</h3>
-<div class="outline-text-3" id="text-orgd59f59b">
+<div id="outline-container-orgcdc2fb6" class="outline-3">
+<h3 id="orgcdc2fb6">Exposants et indices</h3>
+<div class="outline-text-3" id="text-orgcdc2fb6">
 <table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
 
 
@@ -360,9 +360,9 @@ d'œil à ces <a href="http://www.statpower.net/Content/310/R%20Stuff/SampleMark
 </table>
 </div>
 </div>
-<div id="outline-container-org65e8a46" class="outline-3">
-<h3 id="org65e8a46">Fractions, coefficients binomiaux, racines, &#x2026;</h3>
-<div class="outline-text-3" id="text-org65e8a46">
+<div id="outline-container-org8f8314a" class="outline-3">
+<h3 id="org8f8314a">Fractions, coefficients binomiaux, racines, &#x2026;</h3>
+<div class="outline-text-3" id="text-org8f8314a">
 <table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
 
 
@@ -416,9 +416,9 @@ d'œil à ces <a href="http://www.statpower.net/Content/310/R%20Stuff/SampleMark
 </table>
 </div>
 </div>
-<div id="outline-container-org0704266" class="outline-3">
-<h3 id="org0704266">Sommes et intégrales</h3>
-<div class="outline-text-3" id="text-org0704266">
+<div id="outline-container-org54eb08c" class="outline-3">
+<h3 id="org54eb08c">Sommes et intégrales</h3>
+<div class="outline-text-3" id="text-org54eb08c">
 <table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
 
 
@@ -447,9 +447,9 @@ d'œil à ces <a href="http://www.statpower.net/Content/310/R%20Stuff/SampleMark
 </table>
 </div>
 </div>
-<div id="outline-container-orgee37681" class="outline-3">
-<h3 id="orgee37681">Déguisements</h3>
-<div class="outline-text-3" id="text-orgee37681">
+<div id="outline-container-orgc0e6abd" class="outline-3">
+<h3 id="orgc0e6abd">Déguisements</h3>
+<div class="outline-text-3" id="text-orgc0e6abd">
 <table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
 
 
diff --git a/module1/ressources/introduction_to_markdown.org b/module1/ressources/introduction_to_markdown.org
index ee8b2c45899168835c608b171fbc8ffb45ed1ff8..b71625acb47799cdd5904c56dc2b696278deacea 100644
--- a/module1/ressources/introduction_to_markdown.org
+++ b/module1/ressources/introduction_to_markdown.org
@@ -105,7 +105,7 @@ d'œil à ces [[http://www.statpower.net/Content/310/R%2520Stuff/SampleMarkdown.
 ** Lettres grecques
  | Symbole | Commande |
  |---------+----------|
- | $\alpha$     | =$\alpha==      |
+ | $\alpha$     | =$\alpha$=    |
  | $\beta$     | =$\beta$=      |
  | $\gamma$     | =$\gamma$=      |
  | $\Gamma$     | =$\Gamma$=      |