Footnote 4 out of place?

[Jeff Johnson]

Chapter 3, section /etc starts:

> The /etc hierarchy contains configuration files. A "configuration file"
> is a local file used to control the operation of a program; it must be
> static and cannot be an executable binary.

There follows a footnote (#4) which reads:

> The setup of command scripts invoked at boot time may resemble System V,
> BSD or other models. Further specification in this area may be added to
> a future version of this standard.

The footnote seems to be out of place.

Perhaps footnote #5 was meant to go there instead?

> It is recommended that files be stored in subdirectories of /etc rather
> than directly in /etc.
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