chore: fix a mistake

Author: VsevolodX

other/materials_designer/create_nanowire.ipynb

@@ -34,10 +34,10 @@
    "cell_type": "code",
    "outputs": [],
    "source": [
-    "MILLER_INDICES= (0,0,1)  # Miller index of the nanowire direction\n",
+    "MILLER_INDICES= (0,0,1)  # Miller indices of the nanowire direction\n",
     "RADIUS = 5.0 # Wire radius in Angstroms\n",
     "LENGTH = 30.0 # Wire length in Angstroms\n",
-    "VACUUM = 10.0 # Vacuum thickness on the sides in Angstrom\n",
+    "VACUUM = 10.0 # Vacuum thickness on the sides in Angstroms\n",
     "ALIGN_ALONG_X = True"
    ],
    "metadata": {