diff --git a/site/en/guide/tensor.ipynb b/site/en/guide/tensor.ipynb
index 2eb261aad7..ab5bce2e8b 100644
--- a/site/en/guide/tensor.ipynb
+++ b/site/en/guide/tensor.ipynb
@@ -1,4 +1,4 @@
-{
+{ 
   "cells": [
     {
       "cell_type": "markdown",