Cherry-pick #21827 to 7.10: Update shared-autodiscover.asciidoc#22203

Merged

kaiyan-sheng merged 1 commit intoelastic:7.10from kaiyan-sheng:backport_21827_7.10

Oct 27, 2020

+2-1

Commits on Oct 27, 2020

Update shared-autodiscover.asciidoc (#21827 )

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