diff --git a/src/arenas/connectFour/.doc-fr.html.kate-swp b/src/arenas/connectFour/.doc-fr.html.kate-swp
new file mode 100644
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diff --git a/src/arenas/connectFour/doc-en.html b/src/arenas/connectFour/doc-en.html
index 73497e4..ec4a06c 100644
--- a/src/arenas/connectFour/doc-en.html
+++ b/src/arenas/connectFour/doc-en.html
@@ -1,11 +1,11 @@
-<h1>Functioning of duels for connect four</h1>
+<h2>Functioning of duels for connect four</h2>
 <h3>The board</h3>
   <ul>
     <li>witdh: 7 cells</li>
     <li>height: 6 cells</li>
    </ul>
 
-<h2>requests from BotsArena to your bot</h2>
+<h3>Requests from BotsArena to your bot</h3>
 <p>To talk, botsarena (the server hosting botsarena) execute a POST request on your bot's http(s) server with the json as body</p>
 <p>Your bot responds with a JSON array</p>
 <h3>Message initating the game</h3>
@@ -61,10 +61,10 @@
 Obviously the arena respects Newton's laws and place your pawn in the first free space of the column ( starting at index 0 )</p>
 
 
-<h2> Tools for developing and testing your bot </h2>
+<h3> Tools for developing and testing your bot </h3>
 <p> To help you on how to manage communications between the bot and the arena, please take a look in the <a href = "https://github.com/gnieark/IAS/blob/master/StupidIAconnectFour.php"> source PHP stupidIA </a>.</p>
 
-<h3> <a href="/testBotScripts/connectfour.html"> Script Botsarena </a> </h3>
+<h4> <a href="/testBotScripts/connectfour.html"> Script Botsarena </a> </h4>
 <p> This small html + javascript page will allow you to test and debug on your bot. <br/> It will allow you to test your boot via its URL, against himself, a human or stupidIA. <br/> Once ready, Express Sign your bot in the arena. </p>
 <p> By default, browsers do not allow javascript to make Cross domain queries. It is a browser security. So there are three options: </p>
 <ul> <li> You add to your bot <a href="https://www.qwant.com/?q=allow%20cross%20domain%20query%20http%20header&t=all"> headers that allow cross POST queries</a>. </li>
@@ -72,7 +72,7 @@ Obviously the arena respects Newton's laws and place your pawn in the first free
 <li> You use a web browser that supports JavaScript and allows cross domain queries. <a href="https://www.thepolyglotdeveloper.com/2014/08/bypass-cors-errors-testing-apis-locally/"> It seems possible </a>. </li>
 </ul>
 <p> This problem does not arise at the arena once your bot will be registered. Because in that case, it is the requests to the bot, not a browser. </p>
-<h3> <a href="https://github.com/moul/bolosseum"> Bolosseum </a> </h3>
+<h4> <a href="https://github.com/moul/bolosseum"> Bolosseum </a></h4>
 <p> You will find command line tools to test and debug your bot on github project Bolosseum of @moul. </p>
-<h2> Bringing your bot in this arena </h2>
+<h3> Bringing your bot in this arena </h3>
 <p> The registration form your bot is on the site's home page. </p>