diff --git a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/artifact.proto b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/artifact.proto
index 9adc076ee4a..9945bdee9f4 100644
--- a/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/artifact.proto
+++ b/packages/google-devtools-artifactregistry/protos/google/devtools/artifactregistry/v1/artifact.proto
@@ -32,9 +32,9 @@ option ruby_package = "Google::Cloud::ArtifactRegistry::V1";
 // DockerImage represents a docker artifact.
 // The following fields are returned as untyped metadata in the Version
 // resource, using camelcase keys (i.e. metadata.imageSizeBytes):
-//   - imageSizeBytes
-//   - mediaType
-//   - buildTime
+// * imageSizeBytes
+// * mediaType
+// * buildTime
 message DockerImage {
   option (google.api.resource) = {
     type: "artifactregistry.googleapis.com/DockerImage"