As you can see in this example, the little lightning covers the last character.
Thanks for pointing this out. I’ll test a fix, along with a few other little fixes and improvements, in the next week or two and then release an update to everyone.
In the mean time, you could try rotating the phone to get more space, temporarily adding spaces to the end of the password (remembering to cancel the change to avoid saving it of course!) or perhaps copy and paste the password into a different application on your phone (e.g. a text note app or similar).