diff --git a/notebooks/1.0-test-noise-reduction.ipynb b/notebooks/1.0-test-noise-reduction.ipynb
index ae377ab..85a78ac 100644
--- a/notebooks/1.0-test-noise-reduction.ipynb
+++ b/notebooks/1.0-test-noise-reduction.ipynb
@@ -21,7 +21,14 @@
    "source": [
     "%load_ext autoreload\n",
     "%autoreload 2\n",
-    "%env CUDA_VISIBLE_DEVICES=3"
+    "#%env CUDA_VISIBLE_DEVICES=3"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "#### Download packages if in Google Colab"
    ]
   },
   {