Go to the Widgets tab:

2. Choose the option Edit widget settings:

3. Go to the Widget’s view tab, choose Preview, and Pop up:

4. Choose Number format in the settings window:

5. Type Suggest correct format number:

6. Save the changes.
Go to the Widgets tab:
2. Choose the option Edit widget settings:
3. Go to the Widget’s view tab, choose Preview, and Pop up:
4. Choose Number format in the settings window:
5. Type Suggest correct format number:
6. Save the changes.