If you have previously recommended this thread, you should see a tick / check mark on the recommend button. Click the tick to undo the recommendation (the tick may appear to change to a cross as you do this.) If you added a comment with your recommendation, you will need to delete that from your facebook wall separately.
Its part of the prologue of the Wycliffite Bible concerning the translation of the Bible from Latin to English. For seminar on Lollardy (history module looking at late medieval culture, especially literature).