diff --git a/lib/internal/errors.js b/lib/internal/errors.js
index 4ddaec493f275b..e641347cc51058 100644
--- a/lib/internal/errors.js
+++ b/lib/internal/errors.js
@@ -896,6 +896,8 @@ function determineSpecificType(value) {
 
 /**
  * Create a list string in the form like 'A and B' or 'A, B, ..., and Z'.
+ * We cannot use Intl.ListFormat because it's not available in
+ * --without-intl builds.
  * @param {Array} array An Array
  * @param {string} type The list type to be inserted before the last element.
  * @returns {string}