Index: wp-admin/custom-header.php
===================================================================
--- wp-admin/custom-header.php	(revision 20167)
+++ wp-admin/custom-header.php	(working copy)
@@ -555,7 +555,7 @@
 <tr valign="top">
 <th scope="row"><?php _e( 'Upload Image' ); ?></th>
 <td>
-	<p><?php _e( 'You can upload a custom header image to be shown at the top of your site instead of the default one. On the next screen you will be able to crop the image.' ); ?><br />
+	<p><?php _e( 'You can upload a custom header image to be shown at the top of your site. On the next screen you will be able to crop the image.' ); ?><br />
 	<?php
 	if ( ! current_theme_supports( 'custom-header', 'flex-height' ) && ! current_theme_supports( 'custom-header', 'flex-width' ) ) {
 		printf( __( 'Images of exactly <strong>%1$d &times; %2$d pixels</strong> will be used as-is.' ) . '<br />', HEADER_IMAGE_WIDTH, HEADER_IMAGE_HEIGHT );