diff --git a/src/content/3/en/part3a.md b/src/content/3/en/part3a.md
index 7dedc11a8c1..0797fbc739e 100644
--- a/src/content/3/en/part3a.md
+++ b/src/content/3/en/part3a.md
@@ -670,9 +670,10 @@ app.post('/api/notes', (request, response) => {
   const body = request.body
 
   if (!body.content) {
-    return response.status(400).json({ 
+    response.status(400).json({ 
       error: 'content missing' 
     })
+    return;
   }
 
   const note = {