diff --git a/include/staff/settings-kb.inc.php b/include/staff/settings-kb.inc.php
index 0ab2ec09449a07f8f7efa78f8602683534b7666a..726c822f617e19bc4983cabcccbe19c9977f28d3 100644
--- a/include/staff/settings-kb.inc.php
+++ b/include/staff/settings-kb.inc.php
@@ -10,7 +10,7 @@ if(!defined('OSTADMININC') || !$thisstaff || !$thisstaff->isAdmin() || !$config)
         <tr>
             <th colspan="2">
                 <h4>Knowledge Base Settings</h4>
-                <em>Disabling knowledge base disables clients'interface.</em>
+                <em>Disabling knowledge base disables clients' interface.</em>
             </th>
         </tr>
     </thead>