diff --git a/wp-includes/load.php b/wp-includes/load.php
index 15b2965d24..e1eb15e4bb 100644
--- a/wp-includes/load.php
+++ b/wp-includes/load.php
@@ -253,6 +253,8 @@ function timer_stop( $display = 0, $precision = 3 ) { // if called like timer_st
  * When WP_DEBUG_LOG is true, errors will be logged to wp-content/debug.log.
  * WP_DEBUG_LOG defaults to false.
  *
+ * Errors are never displayed for XML-RPC requests.
+ *
  * @access private
  * @since 3.0.0
  */