diff --git a/README.adoc b/README.adoc
index 2c82c0a..9d32e35 100644
--- a/README.adoc
+++ b/README.adoc
@@ -20,7 +20,7 @@ Editor: {Editor}, {Email}
 
 ==== Quick Thoughts
 
-Challenge: Express the link:https://docs.evolveum.com/midpoint/midprivacy/phases/01-data-provenance-prototype/axiom/[Axiom Design Draft] using schema.org vocabularies and JSON.
+Challenge: Express the link:https://docs.evolveum.com/midpoint/midprivacy/phases/01-data-provenance-prototype/axiom/[Axiom Design Draft] using schema.org vocabularies and JSON-LD.
 
 . schema.org provides the ability to declare namespaces.