message: fix typo
  `Equipment` is a union, not an enum.
diff: @@ -210,7 +210,7 @@ The `Weapon` table is a sub-table used within our FlatBuffer. It is
  used twice: once within the `Monster` table and once within the `Equipment`
  enum. For our `Monster`, it is used to populate a `vector of tables` via the
  `weapons` field within our `Monster`. It is also the only table referenced by
  -the `Equipment` enum.
  +the `Equipment` union.
  The last part of the `schema` is the `root_type`. The root type declares what
  will be the root table for the serialized data. In our case, the root type is
  