Fix minor typo in chapter 4 notebook

Signed-off-by: kavink <kavink@nvidia.com>

Author: KavinKrishnan

notebooks/tutorials/04_mis_tutorial.ipynb

@@ -6,7 +6,7 @@
    "source": [
     "# Deploying Segmentation App with MONAI Inference Service (MIS)\n",
     "\n",
-    "This tutorial Then this tutorial discusses how to deploy the segmentation application with the RESTful [MONAI Inference Service](https://github.com/Project-MONAI/monai-deploy-app-server/blob/main/components/inference-service/README.md).\n",
+    "This tutorial discusses how to deploy the segmentation application with the RESTful [MONAI Inference Service](https://github.com/Project-MONAI/monai-deploy-app-server/blob/main/components/inference-service/README.md).\n",
     "\n",
     "Please refer back to the previous [tutorial](https://docs.monai.io/projects/monai-deploy-app-sdk/en/latest/notebooks/tutorials/03_segmentation_app.html) for creating the Segmentation App using MONAI App SDK\n",
     "\n",