11 But if she does, she must remain unmarried or else be reconciled to her husband. And a husband must not divorce his wife.

Read 1 Corinthians 7:11 Using Other Translations

But and if she depart, let her remain unmarried, or be reconciled to her husband: and let not the husband put away his wife.
(but if she does, she should remain unmarried or else be reconciled to her husband), and the husband should not divorce his wife.
But if she does leave him, let her remain single or else be reconciled to him. And the husband must not leave his wife.