noun phrase

[navi tasan]

Is the punctuation in these sentences correct:
1-He had contacted his brother, a fact we did not know.
2-He had betrayed his brother, a mistake he now regretted.

[RonBee]

Is the punctuation in these sentences correct:
1-He had contacted his brother, a fact we did not know.
2-He had betrayed his brother, a mistake he now regretted.

Yes, the punctuation is fine.

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