diff --git a/src/wp-admin/includes/class-wp-list-table.php b/src/wp-admin/includes/class-wp-list-table.php
index 17e96898bb..d67b24ce6d 100644
--- a/src/wp-admin/includes/class-wp-list-table.php
+++ b/src/wp-admin/includes/class-wp-list-table.php
@@ -1260,7 +1260,7 @@ class WP_List_Table {
 	 * @param object $item        The item being acted upon.
 	 * @param string $column_name Current column name.
 	 * @param string $primary     Primary column name.
-	 * @return string The row actions output. In this case, an empty string.
+	 * @return string The row actions HTML, or an empty string if the current column is the primary column.
 	 */
 	protected function handle_row_actions( $item, $column_name, $primary ) {
 		return $column_name == $primary ? '<button type="button" class="toggle-row"><span class="screen-reader-text">' . __( 'Show more details' ) . '</span></button>' : '';