diff --git a/README b/README
index f8f130e015..7c7bbaf070 100644
--- a/README
+++ b/README
@@ -130,9 +130,10 @@ REQUIREMENTS:
 
         Required for signed Verity images support:
           CONFIG_DM_VERITY_VERIFY_ROOTHASH_SIG
-        Required to verify signed Verity images using keys enrolled in the MoK
-        (Machine-Owner Key) keyring:
+        Required to verify signed Verity images using keys enrolled in the MOK
+        (Machine-Owner Key) and DB UEFI certificate stores:
           CONFIG_DM_VERITY_VERIFY_ROOTHASH_SIG_SECONDARY_KEYRING
+          CONFIG_DM_VERITY_VERIFY_ROOTHASH_SIG_PLATFORM_KEYRING
           CONFIG_IMA_ARCH_POLICY
           CONFIG_INTEGRITY_MACHINE_KEYRING