diff --git a/doc/api/stream.md b/doc/api/stream.md
index 4f9f8241d38084..fd54414aaa6a17 100644
--- a/doc/api/stream.md
+++ b/doc/api/stream.md
@@ -1886,8 +1886,8 @@ methods only.
 
 The `writable._writev()` method may be implemented in addition or alternatively
 to `writable._write()` in stream implementations that are capable of processing
-multiple chunks of data at once. If implemented, the method will be called with
-all chunks of data currently buffered in the write queue.
+multiple chunks of data at once. If implemented and if there is buffered data
+from previous writes, `_writev()` will be called instead of `_write()`.
 
 The `writable._writev()` method is prefixed with an underscore because it is
 internal to the class that defines it, and should never be called directly by