Index: wp-admin/includes/template.php
===================================================================
--- wp-admin/includes/template.php	(revision 18175)
+++ wp-admin/includes/template.php	(working copy)
@@ -1756,14 +1756,14 @@
 <div id="screen-options-wrap" class="hidden">
 	<form id="adv-settings" action="" method="post">
 	<?php if ( isset($wp_meta_boxes[$screen->id]) ) : ?>
-		<h5><?php _ex('Show on screen', 'Metaboxes') ?></h5>
+		<h5><?php _e( 'Boxes to show' ); ?></h5>
 		<div class="metabox-prefs">
 			<?php meta_box_prefs($screen); ?>
 			<br class="clear" />
 		</div>
 		<?php endif;
 		if ( ! empty($columns) ) : ?>
-		<h5><?php echo ( isset( $columns['_title'] ) ?  $columns['_title'] :  _x('Show on screen', 'Columns') ) ?></h5>
+		<h5><?php echo isset( $columns['_title'] ) ? $columns['_title'] : __( 'Columns to show' ); ?></h5>
 		<div class="metabox-prefs">
 <?php
 	$special = array('_title', 'cb', 'comment', 'media', 'name', 'title', 'username', 'blogname');
@@ -1790,7 +1790,7 @@
 
 	if ( !empty( $screen_options ) ) {
 		?>
-		<h5><?php _ex('Show on screen', 'Screen Options') ?></h5>
+		<h5><?php _e( 'Show on screen' ); ?></h5>
 		<?php
 	}