docs: change paper hyperlink

docs/tutorials/basic_usage.ipynb

@@ -209,7 +209,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "These plots are the same as the ones in [Breitman+23](https://arxiv.org/abs/2309.05697) (except for the 68% and 95% credible intervals, which are calculated on a small subsample of the test set here). \n",
+    "These plots are the same as the ones in [Breitman et al., 2023](https://arxiv.org/abs/2309.05697) (except for the 68% and 95% credible intervals, which are calculated on a small subsample of the test set here). \n",
     "You can try making more of these same plots for other summaries e.g. power spectrum, spin temperature, etc."
    ]
   },