diff --git a/examples/creation_examples/posterior-demo.ipynb b/examples/creation_examples/posterior-demo.ipynb
index db8872e..8044e5f 100644
--- a/examples/creation_examples/posterior-demo.ipynb
+++ b/examples/creation_examples/posterior-demo.ipynb
@@ -8,7 +8,7 @@
     "\n",
     "author: John Franklin Crenshaw, Sam Schmidt, Eric Charles, others...\n",
     "\n",
-    "last run successfully: August 2, 2023"
+    "last run successfully: March 7, 2024"
    ]
   },
   {
@@ -228,7 +228,7 @@
    "source": [
     "# set up the error model\n",
     "\n",
-    "n_samples = 30\n",
+    "n_samples = 50\n",
     "# create the FlowEngine\n",
     "flowEngine_degr = FlowCreator.make_stage(\n",
     "    name=\"degraded\", flow_file=flow_file, n_samples=n_samples\n",
@@ -444,7 +444,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Based on this histogram, I will marginalize over u band values from 27 to 31. Like how I tested different numbers of error samples above, here I will test different resolutions for the u band grid.\n",
+    "Based on this histogram, I will marginalize over u band values from 25 to 31. Like how I tested different numbers of error samples above, here I will test different resolutions for the u band grid.\n",
     "\n",
     "I will provide our new u band grid in the `marg_rules` dictionary, which will also include `\"flag\"` which tells `FlowEngine` what my flag for non-detections is.\n",
     "In this simple example, we are using a fixed grid for the u band, but notice that the u band rule takes the form of a function - this is because the grid over which to marginalize can be a function of any of the other variables in the row. \n",
@@ -476,7 +476,7 @@
     "    # set up the marginalization rules for this grid resolution\n",
     "    marg_rules = {\n",
     "        \"flag\": errorModel.config[\"ndFlag\"],\n",
-    "        \"u\": lambda row: np.linspace(27, 31, nbins),\n",
+    "        \"u\": lambda row: np.linspace(25, 31, nbins),\n",
     "    }\n",
     "\n",
     "    # calculate the posterior by marginalizing over u and sampling\n",
@@ -530,7 +530,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.4"
+   "version": "3.10.13"
   },
   "vscode": {
    "interpreter": {
@@ -539,5 +539,5 @@
   }
  },
  "nbformat": 4,
- "nbformat_minor": 2
+ "nbformat_minor": 4
 }