diff --git a/doc/api/stream.md b/doc/api/stream.md
index 3bff8b55afa813..7242fca2015c5e 100644
--- a/doc/api/stream.md
+++ b/doc/api/stream.md
@@ -3437,7 +3437,7 @@ added: v19.9.0
 * Returns: {integer}
 
 Returns the default highWaterMark used by streams.
-Defaults to `16384` (16 KiB), or `16` for `objectMode`.
+Defaults to `65536` (64 KiB), or `16` for `objectMode`.
 
 ### `stream.setDefaultHighWaterMark(objectMode, value)`