diff --git a/doc/examples/00_uniform_overview.ipynb b/doc/examples/00_uniform_overview.ipynb
index 11bfb95..87fd537 100644
--- a/doc/examples/00_uniform_overview.ipynb
+++ b/doc/examples/00_uniform_overview.ipynb
@@ -64,8 +64,8 @@
    "source": [
     "from adepy.uniform import patchi, stripi, seminf1\n",
     "\n",
-    "B = 10 # aquifer thickness, m\n",
-    "v = 1 # m/d\n",
+    "B = 10  # aquifer thickness, m\n",
+    "v = 1  # m/d\n",
     "al = 1\n",
     "ah = 0.1\n",
     "av = 0.01\n",
@@ -90,15 +90,15 @@
     "# 2D\n",
     "c2d = stripi(c0, x, y, t, v, al, ah, y1, y2)\n",
     "\n",
-    "# 3D \n",
+    "# 3D\n",
     "c3d = patchi(c0, x, y, z, t, v, ah, al, av, y1, y2, z1, z2)\n",
     "\n",
-    "plt.plot(t, c1d / c0, label = '1D')\n",
-    "plt.plot(t, c2d / c0, label = '2D')\n",
-    "plt.plot(t, c3d / c0, label = '3D')\n",
+    "plt.plot(t, c1d / c0, label=\"1D\")\n",
+    "plt.plot(t, c2d / c0, label=\"2D\")\n",
+    "plt.plot(t, c3d / c0, label=\"3D\")\n",
     "\n",
-    "plt.xlabel('Time (d)')\n",
-    "plt.ylabel('Normalized concentration (-)')\n",
+    "plt.xlabel(\"Time (d)\")\n",
+    "plt.ylabel(\"Normalized concentration (-)\")\n",
     "plt.grid()\n",
     "plt.legend()"
    ]