Rewords rustdoc for top level page.
Rewords rustdoc for top level page.

ford-prefect/rusoto,matthewkmayer/rust-aws,DualSpark/rust-aws,ford-prefect/rusoto,DualSpark/rusoto,mattico/rusoto,DualSpark/rusoto,indiv0/rusoto,mthjones/rusoto,rusoto/rusoto,SecurityInsanity/rusoto,matthewkmayer/rust-aws,SecurityInsanity/rusoto,rusoto/rusoto,matthewkmayer/rust-aws,DualSpark/rust-aws,mthjones/rusoto,cmsd2/rusoto,noggleboggle/rusoto,rusoto/rusoto,mattico/rusoto,DualSpark/rust-aws,mattico/rusoto,DualSpark/rusoto