Fix typo in container shell failure message

[emmanuel-ferdman]

Summary

Fix typo in container shell failure message

Occurred changes and/or fixed issues

Fixes #13254

Technical notes summary

Areas or cases that should be tested

Areas which could experience regressions

Screenshot/Video

Checklist

• The PR is linked to an issue and the linked issue has a Milestone, or no issue is needed
• The PR has a Milestone
• The PR template has been filled out
• The PR has been self reviewed
• The PR has a reviewer assigned
• The PR has automated tests or clear instructions for manual tests and the linked issue has appropriate QA labels, or tests are not needed
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[richard-cox]

@emmanuel-ferdman thank you for raising this PR. Can you make an issue and link to it?

[emmanuel-ferdman]

@richard-cox sure, created the issue and linked the PR