diff --git a/library/psa_crypto_core.h b/library/psa_crypto_core.h
index d28b18e..a742b6d 100644
--- a/library/psa_crypto_core.h
+++ b/library/psa_crypto_core.h
@@ -377,6 +377,7 @@
                                         uint8_t *key_buffer,
                                         size_t key_buffer_size,
                                         size_t *key_buffer_length );
+
 /** Sign a message with a private key. For hash-and-sign algorithms,
  *  this includes the hashing step.
  *