Fix typo

Author: krasserm

bayesian_neural_networks.ipynb

@@ -375,7 +375,7 @@
     "    \\log p(\\mathcal{D} \\lvert \\mathbf{w}) - \n",
     "    \\log p(\\mathbf{w})\n",
     "\\right] + \\log p(\\mathcal{D}) \\\\\\\\ &=\n",
-    "\\mathrm{KL}(q(\\mathbf{w} \\lvert \\boldsymbol{\\theta}) \\mid\\mid q(\\mathbf{w})) - \n",
+    "\\mathrm{KL}(q(\\mathbf{w} \\lvert \\boldsymbol{\\theta}) \\mid\\mid p(\\mathbf{w})) - \n",
     "\\mathbb{E}_{q(\\mathbf{w} \\lvert \\boldsymbol{\\theta})} \\log p(\\mathcal{D} \\lvert \\mathbf{w}) +\n",
     "\\log p(\\mathcal{D})\n",
     "\\end{align*}\n",