a minor comment to the demo cell

Author: ShantanuKodgirwar

demo.ipynb

@@ -6,7 +6,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# In case of any issues go to Runtime > Restart runtime\n",
+    "# In case of any installation errors, run this cell twice\n",
     "![ ! -f \"pip_installed\" ] && pip -q install bayes_mef\n",
     "\n",
     "import matplotlib.pyplot as plt\n",