Update settings-emails.inc.php and filter.inc.php

Corrected "over-W-ridden" and removed the unnecessary "w" from the word "overridden"

include/staff/filter.inc.php

@@ -227,7 +227,7 @@ $info=Format::htmlchars(($errors && $_POST)?$_POST:$info);
                     <th colspan="2">
                         <em><strong><?php echo __('Filter Actions');?></strong>:
                         <div><?php
-                            echo __('Can be overwridden by other filters depending on processing order.');
+                            echo __('Can be overridden by other filters depending on processing order.');
                         ?><br/><?php
                             echo __('Actions are executed in the order declared below');
                             ?></div></em>

include/staff/settings-emails.inc.php

@@ -9,7 +9,7 @@ if(!defined('OSTADMININC') || !$thisstaff || !$thisstaff->isAdmin() || !$config)
     <thead>
         <tr>
             <th colspan="2">
-                <em><?php echo __('Note that some of the global settings can be overwridden at department/email level.');?></em>
+                <em><?php echo __('Note that some of the global settings can be overridden at department/email level.');?></em>
             </th>
         </tr>
     </thead>