diff --git a/doc/api/child_process.md b/doc/api/child_process.md
index dec05fab22a04a..db70d06644e500 100644
--- a/doc/api/child_process.md
+++ b/doc/api/child_process.md
@@ -414,7 +414,7 @@ const spawn = require('child_process').spawn;
 
 const child = spawn(process.argv[0], ['child_program.js'], {
   detached: true,
-  stdio: ['ignore']
+  stdio: 'ignore'
 });
 
 child.unref();