Ticket #34818: class-wp-rest-request.php.diff

src/wp-includes/rest-api/class-wp-rest-request.php

@@ -847 +847 @@
                                 $valid_check = call_user_func( $arg['validate_callback'], $param, $this, $key );
 
                                 if ( false === $valid_check ) {
-                                        $invalid_params[ $key ] = __( 'Invalid param.' );
+                                        $invalid_params[ $key ] = __( 'Invalid parameter.' );
                                 }
 
                                 if ( is_wp_error( $valid_check ) ) {