diff --git a/examples/1 - Basic usage.ipynb b/examples/1 - Basic usage.ipynb
index 3d6f990..edee76c 100644
--- a/examples/1 - Basic usage.ipynb	
+++ b/examples/1 - Basic usage.ipynb	
@@ -60,6 +60,22 @@
     "## Loding data from python object"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Please make sure that you have ase and pymatgen packages or run the following code to install them:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "!pip install ase pymatgen"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 297d8f8..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-ipywidgets
-ase
-pymatgen
-matplotlib
-plotly
\ No newline at end of file