add keywrod mention

docs/source/nested_sampling.ipynb

@@ -260,7 +260,7 @@
     "We can see that the highest order terms are quite small for the larger degree of polynomial. \n",
     "Let's see what effect this has on the evidence. \n",
     "\n",
-    "Note that `uravu` and `dynesty` calculates the natural log of the evidence, $\\ln{Z}$ and while this tutorial show how [nested sampling](http://doi.org/10.1063/1.1835238) may be used, `uravu` and `dynesty` also enable the use of [dynamic nested sampling](https://doi.org/10.1007/s11222-018-9844-0)."
+    "Note that `uravu` and `dynesty` calculates the natural log of the evidence, $\\ln{Z}$ and while this tutorial show how [nested sampling](http://doi.org/10.1063/1.1835238) may be used, `uravu` and `dynesty` also enable the use of [dynamic nested sampling](https://doi.org/10.1007/s11222-018-9844-0) (by setting the keyword argument `dynamic` to `True`)."
    ]
   },
   {