exception.
You can make a class mutable again simply by calling C<<
-$metaclass->make_mutable >>. Once you're done changing it, you can
-restore immutability by calling C<< $metaclass->make_immutable >>.
+$meta->make_mutable >>. Once you're done changing it, you can
+restore immutability by calling C<< $meta->make_immutable >>.
-However, the most common use for this part of of the meta API is as
+However, the most common use for this part of the meta API is as
part of Moose extensions. These extensions should assume that they are
being run before you make a class immutable.