diff --git a/wp-includes/class-wp-customize-nav-menus.php b/wp-includes/class-wp-customize-nav-menus.php
index a6bae20..71ab0db 100644
--- a/wp-includes/class-wp-customize-nav-menus.php
+++ b/wp-includes/class-wp-customize-nav-menus.php
@@ -1187,7 +1187,7 @@ final class WP_Customize_Nav_Menus {
 				<input type="hidden" value="custom" id="custom-menu-item-type" name="menu-item[-1][menu-item-type]" />
 				<p id="menu-item-url-wrap" class="wp-clearfix">
 					<label class="howto" for="custom-menu-item-url"><?php _e( 'URL' ); ?></label>
-					<input id="custom-menu-item-url" name="menu-item[-1][menu-item-url]" type="text" class="code menu-item-textbox" value="http://">
+					<input id="custom-menu-item-url" name="menu-item[-1][menu-item-url]" type="text" class="code menu-item-textbox" placeholder="http://">
 				</p>
 				<p id="menu-item-name-wrap" class="wp-clearfix">
 					<label class="howto" for="custom-menu-item-name"><?php _e( 'Link Text' ); ?></label>