DOC: Correct typos in Hierarchical Forecasting (#2082)

Author: star1327p

notebooks/source/hierarchical_forecasting.ipynb

@@ -255,12 +255,12 @@
    "source": [
     "## Model Specification\n",
     "\n",
-    "Here is are the main components of the forecasting model:\n",
+    "Here are the main components of the forecasting model:\n",
     "\n",
     "- The local level dynamic is driven by the destination station. we use a hierarchical structure to model all the destination-level drift of the local level component. As these hierarchical models can have weird geometries to sample from, we also learn the re-parameterization parameters from the data.\n",
     "- The seasonal components and the noise scales come as a sum of the origin and destination stations.\n",
     "\n",
-    "To make everything more tangible, lets look into the model structure in code."
+    "To make everything more tangible, let's look into the model structure in code."
    ]
   },
   {
@@ -1003,9 +1003,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python [conda env:base] *",
    "language": "python",
-   "name": "python3"
+   "name": "conda-base-py"
   },
   "language_info": {
    "codemirror_mode": {
@@ -1017,9 +1017,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.9"
+   "version": "3.11.5"
   }
  },
  "nbformat": 4,
- "nbformat_minor": 2
+ "nbformat_minor": 4
 }