diff --git a/esm/README.md b/esm/README.md
index f61a38bd..549331ef 100644
--- a/esm/README.md
+++ b/esm/README.md
@@ -149,7 +149,7 @@ This tests tokenizer and model outputs (logits, hidden states, and attentions) f
   pages={1123--1130},
   year={2023},
   doi={10.1126/science.ade2574},
-  url={{https://doi.org/10.1126/science.ade2574}}
+  url={https://doi.org/10.1126/science.ade2574}
 }
 ```