Correct caption for image in VAE tutorial
"<figure>\n",
"<img src=\"_static/img/vae_plots/test_elbo_vae.png\" style=\"width: 550px;\">\n",
"<figcaption>\n",
- "<font size=\"+1\"><b>Figure 3:</b> How the test ELBO evolves over the course of training </font>(the horizontal axis is the number of training epochs divided by 5).\n",
+ "<font size=\"+1\"><b>Figure 3:</b> How the test ELBO evolves over the course of training. </font>\n",
"</figcaption>\n",
"</figure>\n",
"</center>"
