diff --git a/src/wp-includes/class-wp-network-query.php b/src/wp-includes/class-wp-network-query.php
index 6c8712beff..5a132a2ee9 100644
--- a/src/wp-includes/class-wp-network-query.php
+++ b/src/wp-includes/class-wp-network-query.php
@@ -531,14 +531,14 @@ class WP_Network_Query {
 	 *
 	 * @global wpdb $wpdb WordPress database abstraction object.
 	 *
-	 * @param string   $string  Search string.
+	 * @param string   $search  Search string.
 	 * @param string[] $columns Array of columns to search.
 	 * @return string Search SQL.
 	 */
-	protected function get_search_sql( $string, $columns ) {
+	protected function get_search_sql( $search, $columns ) {
 		global $wpdb;
 
-		$like = '%' . $wpdb->esc_like( $string ) . '%';
+		$like = '%' . $wpdb->esc_like( $search ) . '%';
 
 		$searches = array();
 		foreach ( $columns as $column ) {