Fix typo in nbviewer path

autoencoder-applications/variational_autoencoder_dfc.ipynb

@@ -16,7 +16,7 @@
     "\n",
     "### Plain VAE\n",
     "\n",
-    "In a [previous article](https://nbviewer.jupyter.org/github/krasserm/bayesian-machine-learning/blob/dev//autoencoder-applications/variational_autoencoder.ipynb) I introduced the variational autoencoder (VAE) and how it can be trained with a variational lower bound $\\mathcal{L}$ as optimization objective using stochastic gradient ascent methods. In context of stochastic gradient descent its negative value is used as loss function $L_{vae}$ which is a sum of a reconstruction loss $L_{rec}$ and a regularization term $L_{kl}$:\n",
+    "In a [previous article](https://nbviewer.jupyter.org/github/krasserm/bayesian-machine-learning/blob/dev/autoencoder-applications/variational_autoencoder.ipynb) I introduced the variational autoencoder (VAE) and how it can be trained with a variational lower bound $\\mathcal{L}$ as optimization objective using stochastic gradient ascent methods. In context of stochastic gradient descent its negative value is used as loss function $L_{vae}$ which is a sum of a reconstruction loss $L_{rec}$ and a regularization term $L_{kl}$:\n",
     "\n",
     "$$\n",
     "\\begin{align*}\n",
@@ -771,4 +771,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 2
-}
+}