Two more SFrame related backports to 2.46 branch

[Nick Clifton]

Hi Indu,

> I would like to backport the following two patches to 2.46:
> 
> bfd: sframe: use better wording for error messages
> [PR ld/33849]
> https://sourceware.org/pipermail/binutils/2026-January/147985.html
> 
> sframe: doc: minor fixups in language for clarity
> [documentation fix]
> https://sourceware.org/pipermail/binutils/2026-February/148127.html

Both are approved - please go ahead and apply them.

Cheers
   Nick