Card: remove the data descriptor reference

README.md

@@ -39,8 +39,6 @@ are redistributed: each record points to an image on its original host, and an i
 script retrieves the images and verifies them against the checksums recorded at annotation
 time.
 
-- **Data descriptor:** Solarz, M. *A corpus of English-language statistical maps from the web
-  annotated by thematic map type.* Scientific Data (submitted).
 - **Code:** https://github.com/MartaSolarz/StatMapCorpus (MIT), archived at
   https://doi.org/10.5281/zenodo.23215421.
 
@@ -172,7 +170,7 @@ Abstracts of the ICA 8, 22. https://doi.org/10.5194/ica-abs-8-22-2024
 | Tag | Deposit version | Notes |
 |---|---|---|
 | `v1.0` | V1 (2026-08-24) | Initial release. Model-generated annotations, no human validation. |
-| `v2.0` | V2 | Validation files, candidate list, datasheet; terminology aligned with the data descriptor ("thematic map type"); file names without a version number. The main table has the same columns and values as in V1. |
+| `v2.0` | V2 | Validation files, candidate list, datasheet; "cartographic method" renamed to "thematic map type"; file names without a version number. The main table has the same columns and values as in V1. |
 
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