fix loadModuleFn description in header
@@ -188,9 +188,9 @@ typedef struct
// Since Wren does not talk directly to the file system, it relies on the
// embedder to physically locate and read the source code for a module. The
// first time an import appears, Wren will call this and pass in the name of
- // the module being imported. The VM should return the soure code for that
- // module. Memory for the source should be allocated using [reallocateFn] and
- // Wren will take ownership over it.
+ // the module being imported. The method will return a result, which contains
+ // the source code for that module. Memory for the source is owned by the
+ // host application, and can be freed using the onComplete callback.
//
// This will only be called once for any given module name. Wren caches the
// result internally so subsequent imports of the same module will use the
