Update README.md

README.md

@@ -44,23 +44,22 @@ This is the Spanish Wikipedia corpus for MessIRve. A document corresponds to a p
 
 ### Data Instances
 
-<!-- Provide an JSON-formatted example and brief description of a typical instance in the dataset. If available, provide a link to further examples.
+A typical instance in the dataset looks like:
 
-```
+```json
 {
-  'example_field': ...,
-  ...
+    "docid": "17#9",
+    "title": "Demografía de Andorra", 
+    "text": "El mayor núcleo de población del Principado es la capital, Andorra la Vieja, con 24.574 habitantes (2008), lo que representa el 29,6% de la población andorrana. Las siguientes parroquias por población son Las Escaldas-Engordany (16.474 hab.) y Encamp (14.030hab.)."
 }
 ```
 
-Provide any additional information that is not covered in the other sections about the data here. In particular describe any relationships between data points and if these relationships are made explicit. -->
-
-[More Information Needed]
+Following [MIRACL](https://huggingface.co/datasets/miracl/miracl-corpus), `docid` has the pattern X#Y, where Y indicates the sequentially numbered passage inside the Wikipedia article, and all passages with the same X are from the same article. The article name from which the paragraph is taken is in the `title` field.
 
 
 ### Data Fields
 
-- `docid`: document id in the corpus
+- `docid`: document ID in the corpus
 - `title`: article title
 - `text`: document text (a passage)