Update README.md

README.md

@@ -20,4 +20,8 @@ in a certain domain context.
 We created this space to create a collections of such datasets to boost the developement of RAG solutions.
 
 Datasets consist of:
-* asdf
+* A **text corpus** already split into passages, referencing passages by id.
+* A dataset for testing consistig of:
+  * A **question**, and one or ideally both of the followin.
+  * A correct **short answer**.
+  * A **list of the passage ids** that are relevant to answer the question.