minor fixes

demo.ipynb

@@ -421,7 +421,7 @@
     "q, iq_XY = calc.iq(\"path/to/nanoparticle.xyz\", partial = \"X-Y\")\n",
     "\n",
     "```\n",
-    "(*) **Note!** that to combine signals from partial scattering, you risk double-counting some of the interactions between atoms -- so be careful. For the example below, you will notice that we are ..."
+    "(*) **Note!** that to combine signals from partial scattering, you risk double-counting some of the interactions between atoms -- so be careful. Below we will show how to handle this for a simple example."
    ]
   },
   {
@@ -1432,7 +1432,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.14"
+   "version": "3.11.5"
   }
  },
  "nbformat": 4,