add isUserOpValidation flag ref in installation behavior

standard/ERCs/erc-6900.md

@@ -476,13 +476,13 @@ During validation installation, the account MUST correctly set flags and other f
 - the account MUST install all pre validation hooks required by the user and call `onInstall` with the user-provided data on the hook module to initialize the states.
 - the account MUST install all permission hooks required by the user and call `onInstall` with the user-provided data on the hook module to initialize the states.
 - the account MUST add all selectors required by the user that the validation can validate.
-- the account MUST set `isGlobal` and `isSignatureValidation` flags as required.
+- the account MUST set all flags as required, like `isGlobal`, `isSignatureValidation`, and `isUserOpValidation`.
 - the account MUST call `onInstall` on the validation module to initialize the states.
 - the account MUST emit `ValidationInstalled` as defined in the interface for all installed validations.
 
 During validation uninstallation, the account MUST correctly clear flags and other fields based on the incoming data provided by users.
 
-- the account MUST clear all flags for the validation function, including `isGlobal` and `isSignatureValidation`.
+- the account MUST clear all flags for the validation function, like `isGlobal`, `isSignatureValidation`, and `isUserOpValidation`.
 - the account MUST remomve all hooks and clear hook module states by calling `onUninstall` with the user-provided data for each hook, including both pre validation hooks and permission hooks.
 - the account MUST remove all selectors that the validation function can validate.
 - the account MUST emit `ValidationUninstalled` as defined in the interface for all uninstalled validations.