diff --git a/README.md b/README.md
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@@ -2,7 +2,11 @@
 
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.13748893.svg)](https://doi.org/10.5281/zenodo.13748893)
 
-[Latest version](profile/isa_ro_crate.md)
+This repository contains an [RO-Crate](https://www.researchobject.org/ro-crate/) profile for describing experimental data in plant sciences that is annotated by metadata following the [ISA model](https://isa-specs.readthedocs.io/en/latest/isamodel.html).
+
+For a detailed description of the profile, see the [latest version](profile/isa_ro_crate.md).
+
+The pure mapping of ISA terms to schema.org/[bioschemas](https://bioschemas.org/) terms, see the [mapping file](profile/isa_ro_crate_mapping.md).
 
 ## Contributing to this repository