diff --git a/libwvdrmengine/oemcrypto/odk/include/OEMCryptoCENCCommon.h b/libwvdrmengine/oemcrypto/odk/include/OEMCryptoCENCCommon.h
index a4e54380..7da8b45a 100644
--- a/libwvdrmengine/oemcrypto/odk/include/OEMCryptoCENCCommon.h
+++ b/libwvdrmengine/oemcrypto/odk/include/OEMCryptoCENCCommon.h
@@ -122,6 +122,7 @@ typedef enum OEMCrypto_Usage_Entry_Status {
   kInactiveUnused = 4,
 } OEMCrypto_Usage_Entry_Status;
 
+/* Not used publicly. Not documented with Doxygen. */
 typedef enum OEMCrypto_ProvisioningRenewalType {
   OEMCrypto_NoRenewal = 0,
   OEMCrypto_RenewalACert = 1,
@@ -137,7 +138,9 @@ typedef enum OEMCrypto_LicenseType {
   OEMCrypto_LicenseType_MaxValue = OEMCrypto_EntitlementLicense,
 } OEMCrypto_LicenseType;
 
-/* Private key type used in the provisioning response. */
+/**
+ * Private key type used in the provisioning response.
+ */
 typedef enum OEMCrypto_PrivateKeyType {
   OEMCrypto_RSA_Private_Key = 0,
   OEMCrypto_ECC_Private_Key = 1,