diff --git a/docs/hello_world.ipynb b/docs/hello_world.ipynb
index 745ac90..6e03b24 100644
--- a/docs/hello_world.ipynb
+++ b/docs/hello_world.ipynb
@@ -11,7 +11,7 @@
     "\n",
     "@GreatAI.create\n",
     "def hello_world(name: str) -> str:\n",
-    "    return f\"Hello {name}!\"\n"
+    "    return f\"Hello {name}!\""
    ]
   }
  ],