Unit should be visible while entering the total daily water intake amount in the initial setup.

[shreyp135]

Is your feature request related to a problem? Please describe.
Generally the quantity of water is measured in litres, so on the initial setup i entered 3 but later on i saw that it was in ml.
Describe the solution you'd like
The best method to overcome this problem is to provide units in the total daily water intake amount in the initial setup.