Update README.md

README.md

@@ -231,6 +231,7 @@ This dataset, as a corpus, does not represent the intent and purpose from  CC-MA
 
 Further, the annotation is limited to what can be extracted and is readily available - text drawn in images and only present as a bitmap rendition might be missed entirely by said annotation. 
 
+Finally, the restriction to English language is made to alleviate difficulties related to multilingual processing so that the community can be familiarized with this optimized multimodal format. A later release will be done on the full PDFA, with splits per languages, layout types, and so on.
 
 ### Licensing Information