Accidentally mark a sentence as being too easy? Here's how to undo that action.
1. From your home dashboard, navigate to the "Memory" sub-page
2. Click the Collection menu located in the top-right corner of your screen, then click Easy from the drop-down list
3. You will now see a list of all the sentences you have marked as being easy for this language — find the sentence you marked easy by accident, then click the ‘’X’’ icon to remove its "easy" designation
4. No longer marked as easy, this sentence will be added back to your database of items to be reviewed
You might also be interested in 5 Flexible Ways to Do Review.