[PATCH 20/29] docs: Fix heading of 'formatnetworkport' page

[Erik Skultety]

On Mon, Mar 28, 2022 at 02:10:35PM +0200, Peter Krempa wrote:
> The top level heading didn't contain the word 'port'.
> 
> Signed-off-by: Peter Krempa <pkrempa at redhat.com>
> ---
Reviewed-by: Erik Skultety <eskultet at redhat.com>