Update README.md

README.md

@@ -31,7 +31,7 @@ Each example contains:
 - **queries**: Query images with modifications for evaluation. Also includes the original images.
 - **database**: Original images used as the database for retrieval.
 
-To tell if something is an original image, refer to a given images `split_type` field.
+To tell if something is an original image or a strongly modified image, refer to a given images `split_type` field. An example is shown in the `Example Usage` below.
 
 ## Dataset Versions