Index: wp-includes/widgets.php
===================================================================
--- wp-includes/widgets.php	(revision 39303)
+++ wp-includes/widgets.php	(working copy)
@@ -1233,7 +1233,7 @@
 
 	if ( is_wp_error($rss) ) {
 		if ( is_admin() || current_user_can('manage_options') )
-			echo '<p>' . sprintf( __('<strong>RSS Error</strong>: %s'), $rss->get_error_message() ) . '</p>';
+			echo '<p><strong>' . __( 'RSS Error:' ) . '</strong> ' . $rss->get_error_message() . '</p>';
 		return;
 	}
 
@@ -1342,7 +1342,7 @@
 	$args['show_date']      = isset( $args['show_date'] ) ? (int) $args['show_date'] : (int) $inputs['show_date'];
 
 	if ( ! empty( $args['error'] ) ) {
-		echo '<p class="widget-error"><strong>' . sprintf( __( 'RSS Error: %s' ), $args['error'] ) . '</strong></p>';
+		echo '<p><strong>' . __( 'RSS Error:' ) . '</strong> ' . $args['error'] . '</p>';
 	}
 
 	$esc_number = esc_attr( $args['number'] );