Update README.md

README.md

@@ -7,6 +7,7 @@ config_names:
 - qrels
 tags:
 - information-retrieval
+- image-retrieval
 - image
 dataset_info:
 - config_name: qrels
@@ -26,8 +27,8 @@ dataset_info:
     dtype: string
   - name: modality
     dtype: string
-  - name: text
-    dtype: string
+  - name: image
+    dtype: image
   splits:
   - name: corpus
     num_examples: 6392