diff --git a/src/wp-includes/class-wp-customize-nav-menus.php b/src/wp-includes/class-wp-customize-nav-menus.php
index fb1633bf93..2b667cec86 100644
--- a/src/wp-includes/class-wp-customize-nav-menus.php
+++ b/src/wp-includes/class-wp-customize-nav-menus.php
@@ -464,10 +464,14 @@ final class WP_Customize_Nav_Menus {
 		) ) );
 		$menus = wp_get_nav_menus();
 
-		// Menu loactions.
+		// Menu locations.
 		$locations     = get_registered_nav_menus();
 		$num_locations = count( array_keys( $locations ) );
-		$description   = '<p>' . sprintf( _n( 'Your theme contains %s menu location. Select which menu you would like to use.', 'Your theme contains %s menu locations. Select which menu appears in each location.', $num_locations ), number_format_i18n( $num_locations ) );
+		if ( 1 == $num_locations ) {
+			$description = '<p>' . __( 'Your theme supports one menu. Select which menu you would like to use.' );
+		} else {
+			$description = '<p>' . sprintf( _n( 'Your theme supports %s menu. Select which menu appears in each location.', 'Your theme supports %s menus. Select which menu appears in each location.', $num_locations ), number_format_i18n( $num_locations ) );
+		}
 		$description  .= '</p><p>' . __( 'You can also place menus in widget areas with the Custom Menu widget.' ) . '</p>';
 
 		$this->manager->add_section( 'menu_locations', array(