my $type_constraint = $self->type_constraint;
(blessed $type_constraint && $type_constraint->isa('Moose::Meta::TypeConstraint::Union'))
- || Moose->throw_error("You can only a Moose::Meta::TypeCoercion::Union for a " .
+ || Moose->throw_error("You can only create a Moose::Meta::TypeCoercion::Union for a " .
"Moose::Meta::TypeConstraint::Union, not a $type_constraint");
$self->_compiled_type_coercion(