diff --git a/internal/proto/local_credential.proto b/internal/proto/local_credential.proto
index ea23278e..af711324 100644
--- a/internal/proto/local_credential.proto
+++ b/internal/proto/local_credential.proto
@@ -18,7 +18,6 @@ package nearby.internal;
 
 import "internal/proto/credential.proto";
 
-// option cc_api_version = 2;
 // option java_api_version = 2;
 option java_multiple_files = true;
 option java_package = "com.google.nearby.presence";
@@ -35,8 +34,10 @@ message LocalCredential {
   message PrivateKey {
     // The associated alias of a X509Certificate or a SecretKey.
     string certificate_alias = 1;
+
     // The raw private key bytes
     bytes key = 2;
+
     // The encrypted Ed25519 private key bytes.
     bytes encrypted_key = 3;
   }