diff --git a/doc/api/v8.md b/doc/api/v8.md
index 2c4f956ff684a9..e0b2039264b63b 100644
--- a/doc/api/v8.md
+++ b/doc/api/v8.md
@@ -102,6 +102,8 @@ Chrome DevTools. The JSON schema is undocumented and specific to the
 V8 engine, and may change from one version of V8 to the next.
 
 ```js
+// Print heap snapshot to the console
+const v8 = require('v8');
 const stream = v8.getHeapSnapshot();
 stream.pipe(process.stdout);
 ```