diff --git a/doc/api/process.md b/doc/api/process.md
index 818bb6ed4ab73c..28ed9734f55144 100644
--- a/doc/api/process.md
+++ b/doc/api/process.md
@@ -1856,8 +1856,9 @@ a [Readable][] stream.
 process.stdin.setEncoding('utf8');
 
 process.stdin.on('readable', () => {
-  const chunk = process.stdin.read();
-  if (chunk !== null) {
+  let chunk;
+  // Use a loop to make sure we read all available data.
+  while ((chunk = process.stdin.read()) !== null) {
     process.stdout.write(`data: ${chunk}`);
   }
 });