Fixed validators.nl.xlf

Source of trans-unit id 72 was incorrect.
Made two minor grammar updates.
minor #10050 Fixed validators.nl.xlf (markdehaan)

This PR was merged into the 2.3 branch.

Discussion
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Fixed validators.nl.xlf

Source of trans-unit id 72 was incorrect.
Made two minor grammar updates.

Commits
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6c05b1d Fixed validators.nl.xlf