Index: src/wp-includes/widgets/class-wp-nav-menu-widget.php
===================================================================
--- src/wp-includes/widgets/class-wp-nav-menu-widget.php	(revision 43832)
+++ src/wp-includes/widgets/class-wp-nav-menu-widget.php	(working copy)
@@ -142,7 +142,9 @@
 				$url = admin_url( 'nav-menus.php' );
 			}
 			?>
-			<?php echo sprintf( __( 'No menus have been created yet. <a href="%s">Create some</a>.' ), esc_attr( $url ) ); ?>
+			<?php 
+			/* translators: menus widget: %s: URL to create a new menu */
+			echo sprintf( __( 'No menus have been created yet. <a href="%s">Create some</a>.' ), esc_attr( $url ) ); ?>
 		</p>
 		<div class="nav-menu-widget-form-controls" <?php echo $empty_menus_style; ?>>
 			<p>