Update disk-encryption-linux.md

[sumitdatabase]

I changed this line word on one line, from "2st" to "2nd".

There is no such word as 2st - it is 2nd.

[prmerger-automator]

@sumitdatabase : Thanks for your contribution! The author(s) have been notified to review your proposed change.

[sumitdatabase]

I am not authorized to merge changes

[learn-build-service-prod]

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articles/virtual-machines/linux/disk-encryption-linux.md	✅Succeeded

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[Jak-MS]

@sumitdatabase - thanks!

@msmbaldwin - this seems straightforward so I'm approving this for merge (tomorrow after the content freeze), but if let me know if we need to revert it for some reason.

#label:"missed-content-complete"
#label:"event-triaged-to-10AM"

This PR is ready for merge. Due to the upcoming Ignite conference, all merging and publishing is on hold until the morning of the keynote address.

The PR review team will resume merging on the morning of the keynote address for the regularly scheduled daily publish cycles. You don't need to take further action on this PR; we'll merge it on the day of the keynote address.

Don't add more commits to this reviewed PR.

Thanks.