Docs: notary signer user requires UPDATE priv.
@@ -215,7 +215,7 @@ giving the following MySQL (or equivalent) permissions to the users restricted t
only their own databases:
- Notary server database user: `SELECT, INSERT, UPDATE, DELETE`
-- Notary signer database user: `SELECT, INSERT, DELETE`
+- Notary signer database user: `SELECT, INSERT, UPDATE, DELETE`
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