Fixed notebook

Author: mstechly

tutorials/04_Improved_version.ipynb

@@ -653,9 +653,7 @@
    "source": [
     "These results are not as good as they have been with the previous version of this algorithm I was working on. Frankly, they are extremely crappy. I think this is due to a bug somewhere, but I was unable to find it. For one set of parameters the best solution was valid around 75% of the time, and for the same parameters here - well it's around 15%.\n",
     "\n",
-    "I'm really sorry for that, but I decided that I prefer to publish this imperfect version, rather than wait until I find the bug.\n",
-    "\n",
-    "I'm still hunting - if you would like to help me, write at michal.stechly@gmail.com and I will provide you with more details."
+    "I'm really sorry for that, but I decided that I prefer to publish this imperfect version, rather than wait until I find the bug."
    ]
   },
   {
@@ -832,8 +830,21 @@
     "- how to check if the changes we did are really valid\n",
     "\n",
     "What's next?\n",
-    "- using ACADEMIC PAPERS to get really awesome results!"
+    "- using ACADEMIC PAPERS to get really awesome results!\n",
+    "\n",
+    "**Update (2023):**\n",
+    "\n",
+    "After 4.5 years I found that some people still find this repo useful – that's great :)\n",
+    "I have absolutely no intention of updating or fixing anything here, it's been way too long.\n",
+    "However, in the meantime I've written a series of articles on the topic of variational quantum algorithms and QAOA specifically. You can find the first post here: https://www.mustythoughts.com/variational-quantum-eigensolver-explained :)"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {