Update docs/useCases.md

Co-authored-by: Copilot <[email protected]>

Author: ChengShi-1

docs/useCases.md

@@ -1070,7 +1070,7 @@ getDatasetAvailableCategories.execute(datasetId).then((categories: String[]) =>
 })
 ```
 
-_See [use case](../src/files/domain/useCases/GetDatasetAvailableCategories.ts) implementation_.
+_See [use case](../src/datasets/domain/useCases/GetDatasetAvailableCategories.ts) implementation_.
 
 The `datasetId` parameter is a number for numeric identifiers or string for persistent identifiers.