Update README.md

README.md

@@ -84,7 +84,10 @@ Each record contains the full text and rich metadata. The metadata fields **incl
 
 ## Ethical Considerations
 
-All documents were sourced from a public repository, ensuring they are open access and free of restrictive "No Derivatives" (ND) licenses.
+All documents included in CorEGe-PT were sourced from a publicly available repository. 
+We ensured that the documents were in open access and, when such information was available, covered by permissive licenses. In the process, we excluded documents in closed access, embargoed, or without the most restrictive licenses~(ND).
+In addition, we acknowledge all the sources in the corpus metadata, thus recognizing the intellectual contributions of authors.
+To support reproducibility, we provide detailed documentation of the corpus construction process, including data sources, selection criteria, and pre and post-processing steps. The corpus is intended for research use, and we encourage responsible usage in accordance with ethical research practices.
 
 ## Citation