Update standard/ERCs/erc-6900.md

Co-authored-by: Adam Egyed <5456061+adamegyed@users.noreply.github.com>

standard/ERCs/erc-6900.md

@@ -517,7 +517,7 @@ During execution uninstallation, the account MUST correctly clear flags and othe
 #### Execution Hooks Data Format
 
 For accounts that implement execution hooks, accounts **MUST** conform to these execution hook formats:
-1. For `executeUserOp` calls, for execution hooks associated with a validator, accounts **MUST** send the full `msg.data`, including the `executeUserOp` selector.
+1. For `executeUserOp` calls, for execution hooks associated with a validation function, accounts **MUST** send the full `msg.data`, including the `executeUserOp` selector.
 2. For `executeUserOp` calls, for execution hooks associated with a selector, accounts **MUST** send `PackedUserOperation.callData` for `executeUserOp` calls, excluding `executeUserOp.selector` and the rest of the `PackedUserOperation`.
 3. For `executeWithAuthorization` calls, for all execution hooks, accounts **MUST** send the inner `data`.
 4. For all other calls, for execution hooks associated with a selector, accounts **MUST** send over `msg.data`.