updated to reflect that SecureString is only not encrypted on non-Windows systems#4034

sdwheeler merged 1 commit intoMicrosoftDocs:release-62MicrosoftDocs/PowerShell-Docs:release-62from

SteveL-MSFT:securestring-part2SteveL-MSFT/PowerShell-Docs:securestring-part2Copy head branch name to clipboard