diff --git a/README.md b/README.md
index 3a723a8..2a2a2a6 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@ This crates provides a basic library [httpsig](./httpsig) and [its extension](./
 - [ ] ECDSA-P384 using SHA-384
 
 ~~- [ ] RSASSA-PSS using SHA-512~~
+
 ~~- [ ] RSASSA-PKCS1-v1_5 using SHA-256~~
 
 At this point, we have no plan to support RSA signature due to [the problem related to the non-constant time operation](https://github.com/RustCrypto/RSA/issues/19), i.e., [Mervin Attack](https://people.redhat.com/~hkario/marvin/).