diff --git a/html/index.php b/html/index.php
index ca5df84..ec12f09 100644
--- a/html/index.php
+++ b/html/index.php
@@ -128,7 +128,10 @@ if($currentArena == ""){
 	  default:
 	    //battle history for this arena
 	    $hist=get_battles_history($currentArena);
-	    echo '<aside id="history"><h2>Scores</h2>';
+	    echo '<aside id="history">
+	    <h2>infos:</h2>
+	    <a href="/'.$currentArena.'/doc">'.$lang['DEV_DOC_SPECS_LINKS'].'</a>
+	    <h2>Scores</h2>';
 	    foreach($hist as $sc){
 	      echo '<h3>'.$sc['bot1'].' VS '.$sc['bot2'].'</h3>
 	      <ul>
diff --git a/lang/en.php b/lang/en.php
index ddd5b79..5f106fe 100644
--- a/lang/en.php
+++ b/lang/en.php
@@ -7,5 +7,6 @@ $lang=array(
     'VICTORIES' => 'victories',
     'DRAW'  => 'drawn match',
     'MAKE_DUEL' => 'Organise a duel',
-    'FIGHT'     => 'Fight!'
+    'FIGHT'     => 'Fight!',
+    'DEV_DOC_SPECS_LINKS'   =>'Program your own bot, and send it on this arena.  Read tle technicals specifications' 
 );
\ No newline at end of file
diff --git a/lang/fr.php b/lang/fr.php
index d017eb1..a299a43 100644
--- a/lang/fr.php
+++ b/lang/fr.php
@@ -10,6 +10,7 @@ $lang=array(
     'VICTORIES' => 'victoires',
     'DRAW'  => 'matchs nuls',
     'MAKE_DUEL' => 'Provoquer un duel',
-    'FIGHT'     => 'Baston!'
+    'FIGHT'     => 'Baston!',
+    'DEV_DOC_SPECS_LINKS'   =>'Devellopez votre bot et envoyez le dans cette arène. Voici les spécifications techniques'  
 
 );
\ No newline at end of file