diff --git a/htdocs/admin/index.php b/htdocs/admin/index.php
index a6c2099f7b6..6f5ea8f18c4 100644
--- a/htdocs/admin/index.php
+++ b/htdocs/admin/index.php
@@ -70,7 +70,7 @@ if ($_GET["action"] == 'edit')
   print '<tr class="impair"><td width="50%">Identifiant professionnel (SIREN,SIRET,...)</td><td>';
   print '<input name="siren" size="20" value="' . MAIN_INFO_SIREN . '"></td></tr>';
 
-  print '<tr class="pair"><td width="50%">Code de l''activité économique</td><td>';
+  print '<tr class="pair"><td width="50%">Code de l\'activité économique</td><td>';
   print '<input name="rcs" size="20" value="' . MAIN_INFO_APE . '"></td></tr>';
 
   print '<tr><td colspan="2" align="center">';