docs: adapt notebook headings and links

Author: vpratz

examples/Quickstart_Amortized_Posterior_Estimation.ipynb

@@ -75,7 +75,7 @@
    "id": "appropriate-chester",
    "metadata": {},
    "source": [
-    "As described in our [very first notebook](Intro_Amortized_Posterior_Estimation.ipynb), a generative model consists of a prior (encoding suitable parameter ranges) and a simulator (generating data given simulations). Our underlying model distinguishes between susceptible, $S$, infected, $I$, and recovered, $R$, individuals with infection and recovery occurring at a constant transmission rate $\\lambda$ and constant recovery rate $\\mu$, respectively. The model dynamics are governed by the following system of ODEs:\n",
+    "As described in our [very first notebook](Quickstart_Amortized_Posterior_Estimation.ipynb), a generative model consists of a prior (encoding suitable parameter ranges) and a simulator (generating data given simulations). Our underlying model distinguishes between susceptible, $S$, infected, $I$, and recovered, $R$, individuals with infection and recovery occurring at a constant transmission rate $\\lambda$ and constant recovery rate $\\mu$, respectively. The model dynamics are governed by the following system of ODEs:\n",
     "\n",
     "$$\n",
     "\\begin{align}\n",