diff --git a/acme/internal/acme/jws_test.go b/acme/internal/acme/jws_test.go
index 1477ccb..7afd950 100644
--- a/acme/internal/acme/jws_test.go
+++ b/acme/internal/acme/jws_test.go
@@ -41,7 +41,7 @@
 N0rRAoGBAKGD+4ZI/E1MoJ5CXB8cDDMHagbE3cq/DtmYzE2v1DFpQYu5I4PCm5c7
 EQeIP6dZtv8IMgtGIb91QX9pXvP0aznzQKwYIA8nZgoENCPfiMTPiEDT9e/0lObO
 9XWsXpbSTsRPj0sv1rB+UzBJ0PgjK4q2zOF0sNo7b1+6nlM3BWPx
------END RSA PRIVATE KEY----
+-----END RSA PRIVATE KEY-----
 `
 
 // This thumbprint is for the testKey defined above.