diff --git a/protos/sigstore_common.proto b/protos/sigstore_common.proto
index c7518d7d..05a0fde4 100644
--- a/protos/sigstore_common.proto
+++ b/protos/sigstore_common.proto
@@ -176,7 +176,7 @@ message SubjectAlternativeName {
 message X509CertificateChain {
         // One or more DER-encoded certificates.
         //
-        // In some contexts (such as `VerificationMaterial.certificate`), this sequence
+        // In some contexts (such as `VerificationMaterial.x509_certificate_chain`), this sequence
         // has an imposed order. Unless explicitly specified, there is otherwise no
         // guaranteed order.
         repeated X509Certificate certificates = 1;