chore(fix): correct pcg64 no. streams typo

Author: TomMonks

content/01_sampling.ipynb

@@ -99,7 +99,7 @@
     "\n",
     "This function constructs an instance of a `Generator` class, which can produce random numbers. \n",
     "\n",
-    "By default `numpy` uses a Pseudo-Random Number Generator (PRNG) called use of the [Permuted Congruential Generator 64-bit](https://www.pcg-random.org/) (PCG64; period = $2^{128}$; maximum number of streams = $2^{63}$).\n",
+    "By default `numpy` uses a Pseudo-Random Number Generator (PRNG) called use of the [Permuted Congruential Generator 64-bit](https://www.pcg-random.org/) (PCG64; period = $2^{128}$; maximum number of streams = $2^{127}$).\n",
     "\n",
     "For more information on `Generator` you can look at [`numpy` online documentation.](https://numpy.org/doc/stable/reference/random/generator.html)"
    ]
@@ -424,7 +424,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.9"
+   "version": "3.11.11"
   }
  },
  "nbformat": 4,