Update mongodb_atlas_vector_search_setup.md

mongodb_atlas_vector_search_setup.md

@@ -38,6 +38,7 @@
    - Click "Add My Own Data"
    - Create database (e.g., "txts")
    - Create collection (e.g., "txts_collection")
+   - No need to select any additional preferences.
    - Click "Create"
 
 ## Vector Search Configuration
@@ -49,10 +50,9 @@
    - Configure index settings:
      ```json
      {
-       "name": "vector_index", // Adjust it to your desired name.
        "type": "vector",
        "path": "embedding", // Adjust it to your index/embedding column.
-       "numDimensions": 384,  // Adjust based on your model. (e.g., 384 for all-MiniLM-l6-v2)
+       "numDimensions": 768,  // Adjust based on your model. (e.g., 768 for all-mpnet-base-v2 )
        "similarity": "euclidean" // Adjust it to your desired similarity function.
      }
      ```