Update README

README.md

@@ -98,11 +98,11 @@ Note that any address levels present in the additional databases but absent from
 
 - `--db_clusters`: Specifies the path to the database containing cluster addresses for additional samples in tab-separated format. To ensure compatibility, the database structure must adhere to the expected header format corresponding to the samples included in the input samplesheet:
 
-| id      | address | level_1 | level_2 | ... | level_n |
-| ------- | ------- | ------- | ------- | --- | ------- |
-| sampleA | 1.1.1   | 1       | 1       | ... | 1       |
-| sampleB | 1.1.2   | 1       | 1       | ... | 2       |
-| sampleC | 2.1.1   | 2       | 1       | ... | 1       |
+| id      | address |
+| ------- | ------- |
+| sampleA | 1.1.1   |
+| sampleB | 1.1.2   |
+| sampleC | 2.1.1   |
 
 _Note: To add additional reference samples to the pipeline, both `--db_profiles` and `--db_clusters` must be provided together, and all `sample_id`'s in `--db_profiles` must match the `id`'s in `--db_clusters`_