Document UDPipe Bosque enrichment notebook

source_code/README.md

@@ -36,9 +36,16 @@ modeling/NER stages.
    Contains exploratory predictive modeling and interpretability experiments
    over note helpfulness/consensus.
 
+7. `07_udpipe_bosque_enrichment_colab.ipynb`  
+   Optional Google Colab notebook that creates an automatic Universal
+   Dependencies syntax layer with UDPipe Bosque and uploads it to
+   `syntax_ud_bosque/` in the existing Hugging Face dataset repository.
+
 ## Notes
 
 - Tweet text is not redistributed. Only tweet identifiers appear in the dataset.
 - The notebooks are intended as transparent research code, not as a packaged
   one-command production pipeline.
 - The released Parquet files are the authoritative dataset artifacts.
+- Optional derived layers generated by external models may have separate
+  license metadata from the CC0 core dataset.