diff --git a/doc/api/stream.markdown b/doc/api/stream.markdown
index 1590df5ad5e..a30eea3deff 100644
--- a/doc/api/stream.markdown
+++ b/doc/api/stream.markdown
@@ -169,7 +169,8 @@ source.onend = function() {
 };
 
 // _read will be called when the stream wants to pull more data in
-stream._read = function(size, cb) {
+// the advisory size argument is ignored in this case.
+stream._read = function(n) {
   source.readStart();
 };
 ```