Update README.md

README.md

@@ -28,7 +28,7 @@ The primary use of the collection is for cultural analytics on a wide scale. It
 The collection also aims to expand the availability of open works for the training of Large Language Models. The text can be used for model training and republished without restriction for reproducibility purposes.
 
 ## License
-The entire collection is in the public domain everywhere and has been digitized by a US federal entity.
+The entire collection is in the public domain in the US and, likely, everywhere. The Library of Congress does not claim any additional rights: "As a publicly supported institution, we generally do not own the rights to materials in our collections. You should determine for yourself whether or not an item is protected by copyright or in the public domain, and then satisfy any copyright or use restrictions when publishing or distributing materials from our collections."
 
 ## Future developments
 This dataset is not a one time work but will continue to evolve significantly on several directions: