improve doc

x/ccv/provider/keeper/misbehaviour.go

@@ -169,7 +169,7 @@ func (k Keeper) CheckMisbehaviour(ctx sdk.Context, misbehaviour ibctmtypes.Misbe
 	}
 
 	// VerifyClientMessage calls verifyMisbehaviour which verifies that the headers in the misbehaviour
-	// are valid against their respective trusted consensus states and  that trustLevel of the validator set signed their commit.
+	// are valid against their respective trusted consensus states and that at least a TrustLevel of the validator set signed their commit.
 	// see checkMisbehaviourHeader in ibc-go/blob/v7.3.0/modules/light-clients/07-tendermint/misbehaviour_handle.go#L126
 	if err := clientState.VerifyClientMessage(ctx, k.cdc, clientStore, &misbehaviour); err != nil {
 		return err