Add link to warnings (#554)

Author: WardBrian

docsrc/users-guide/examples/MCMC Sampling.ipynb

@@ -735,6 +735,8 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
+    "More information on how to address convergence problems can be found at https://mc-stan.org/misc/warnings\n",
+    "\n",
     "The number of post-warmup divergences and iterations which hit the maximum treedepth can be inspected directly via properties `divergences` and `max_treedepths`."
    ]
   },
@@ -1882,13 +1884,6 @@
    "source": [
     "os.environ['STAN_NUM_THREADS']"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {