docs: fix typo in concepts/disruption

[adrianmester]

typo fix

Description

Karpenter will being begin draining the node

How was this change tested?

Does this change impact docs?

• Yes, PR includes docs updates
• Yes, issue opened: #
• No

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

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[jonathan-innis]

LGTM 🚀

[coveralls]

Pull Request Test Coverage Report for Build 13313317995

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.02%) to 65.215%

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Files with Coverage Reduction	New Missed Lines	%
pkg/fake/utils.go	2	94.81%

Totals
Change from base Build 13296342952:	-0.02%
Covered Lines:	5977
Relevant Lines:	9165

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💛 - Coveralls