What does “technical documentation skills required” mean?

Question

Telephony

In the open vacancy "Communication Engineer" the following requirement is indicated: "skills in the formation of technical documentation are required."

Answer 1

Call to clarify.
Skills may vary.
This may be the ability to write javadocs
This may be the ability to use styles in Word This may be the ability
to create technical documentation in a specific format (man, html, wiki)

Answer 2

Only that the HR employee who wrote the job requirements is an idiot.