Update README.md

Link to ACL Anthology

README.md

@@ -37,7 +37,8 @@ and the [Language Technology Group](https://www.mn.uio.no/ifi/english/research/g
 
 ## Model description
 
-See details in the paper [`Interpretable Word Sense Representations via Definition Generation: The Case of Semantic Change Analysis`](https://arxiv.org/abs/2305.11993) (ACL'2023) by Mario Giulianelli, Iris Luden, Raquel Fernandez and Andrey Kutuzov.
+See details in the paper [`Interpretable Word Sense Representations via Definition Generation: The Case of Semantic Change Analysis`](https://aclanthology.org/2023.acl-long.176/) 
+(ACL'2023) by Mario Giulianelli, Iris Luden, Raquel Fernandez and Andrey Kutuzov.
 
 ## Intended uses & limitations