diff --git a/chapters/essentials/basics.ipynb b/chapters/essentials/basics.ipynb
index 9ccebd0c..c6500775 100644
--- a/chapters/essentials/basics.ipynb
+++ b/chapters/essentials/basics.ipynb
@@ -828,14 +828,14 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 7,
    "metadata": {
     "hide-output": false
    },
    "outputs": [],
    "source": [
     "x = \"Hello\"\n",
-    "y = \"World!\"\n"
+    "y = \"World\"\n"
    ]
   },
   {