[DOC] Subjects of `autoload` are not restricted to modules

load.c

@@ -1303,10 +1303,10 @@ ruby_init_ext(const char *name, void (*init)(void))
 
 /*
  *  call-seq:
- *     mod.autoload(module, filename)   -> nil
+ *     mod.autoload(const, filename)   -> nil
  *
  *  Registers _filename_ to be loaded (using Kernel::require)
- *  the first time that _module_ (which may be a String or
+ *  the first time that _const_ (which may be a String or
  *  a symbol) is accessed in the namespace of _mod_.
  *
  *     module A
@@ -1366,10 +1366,10 @@ rb_mod_autoload_p(int argc, VALUE *argv, VALUE mod)
 
 /*
  *  call-seq:
- *     autoload(module, filename)   -> nil
+ *     autoload(const, filename)   -> nil
  *
  *  Registers _filename_ to be loaded (using Kernel::require)
- *  the first time that _module_ (which may be a String or
+ *  the first time that _const_ (which may be a String or
  *  a symbol) is accessed.
  *
  *     autoload(:MyModule, "/usr/local/lib/modules/my_module.rb")