diff --git a/doc/api/child_process.md b/doc/api/child_process.md
index d519ab4b49a..e79b411e91e 100644
--- a/doc/api/child_process.md
+++ b/doc/api/child_process.md
@@ -430,7 +430,7 @@ const spawn = require('child_process').spawn;
 
 const child = spawn(process.argv[0], ['child_program.js'], {
   detached: true,
-  stdio: ['ignore']
+  stdio: 'ignore'
 });
 
 child.unref();