fix: typo in log-absolute-derivative of exponential transform
"\\begin{align}\n",
"g(x) &= \\text{exp(x)}\\\\\n",
"g^{-1}(y) &= \\log(y)\\\\\n",
- "\\log\\left(\\left|\\frac{dg}{dx}\\right|\\right) &= y.\n",
+ "\\log\\left(\\left|\\frac{dg}{dx}\\right|\\right) &= x.\n",
"\\end{align}\n",
"\n",
"\n",
