diff --git a/action_processor.h b/action_processor.h
index 3c9c262..4de4f84 100644
--- a/action_processor.h
+++ b/action_processor.h
@@ -45,12 +45,12 @@
   kActionCodeDownloadPayloadPubKeyVerificationError = 18,
   kActionCodePostinstallBootedFromFirmwareB = 19,
   kActionCodeDownloadStateInitializationError = 20,
-  kActionCodeDownloadInvalidManifest = 21,
+  kActionCodeDownloadInvalidMetadataMagicString = 21,
   kActionCodeDownloadSignatureMissingInManifest = 22,
   kActionCodeDownloadManifestParseError = 23,
-  kActionCodeDownloadManifestSignatureError = 24,
-  kActionCodeDownloadManifestSignatureVerificationError = 25,
-  kActionCodeDownloadManifestSignatureMismatch = 26,
+  kActionCodeDownloadMetadataSignatureError = 24,
+  kActionCodeDownloadMetadataSignatureVerificationError = 25,
+  kActionCodeDownloadMetadataSignatureMismatch = 26,
   kActionCodeDownloadOperationHashVerificationError = 27,
   kActionCodeDownloadOperationExecutionError = 28,
   kActionCodeDownloadOperationHashMismatch = 29,