docs: netdev: broaden the new vs old code formatting guidelines

Convert the "should I use new or old comment formatting" to cover
all formatting. This makes the question itself shorter.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

Documentation/networking/netdev-FAQ.rst

@@ -183,10 +183,10 @@ it is requested that you make it look like this::
    * another line of text
    */
 
-I am working in existing code that has the former comment style and not the latter. Should I submit new code in the former style or the latter?
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-Make it the latter style, so that eventually all code in the domain
-of netdev is of this format.
+I am working in existing code which uses non-standard formatting. Which formatting should I use?
+------------------------------------------------------------------------------------------------
+Make your code follow the most recent guidelines, so that eventually all code
+in the domain of netdev is in the preferred format.
 
 I found a bug that might have possible security implications or similar. Should I mail the main netdev maintainer off-list?
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