Fix: add slashes before comment
@@ -134,8 +134,8 @@ pub struct ResultOfNaclSignOpen {
///
/// Verifies the signature in `signed` using the signer's public key `public`
/// and returns the message `unsigned`.
-
-If the signature fails verification, crypto_sign_open raises an exception.
+///
+/// If the signature fails verification, crypto_sign_open raises an exception.
#[api_function]
pub fn nacl_sign_open(
_context: std::sync::Arc<ClientContext>,
