diff --git a/cashu/wallet/api/router.py b/cashu/wallet/api/router.py
index 064e880c..37ab482c 100644
--- a/cashu/wallet/api/router.py
+++ b/cashu/wallet/api/router.py
@@ -308,11 +308,9 @@ async def burn(
         wallet = await mint_wallet(mint)
     if not (all or token or force or delete) or (token and all):
         raise Exception(
-            (
-                "enter a token or use --all to burn all pending tokens, --force to"
-                " check all tokens or --delete with send ID to force-delete pending"
-                " token from list if mint is unavailable."
-            ),
+            "enter a token or use --all to burn all pending tokens, --force to"
+            " check all tokens or --delete with send ID to force-delete pending"
+            " token from list if mint is unavailable.",
         )
     if all:
         # check only those who are flagged as reserved