Typo in part 7 exercise 2

[retop56]

In the sample output of Exercise 2 in Part 7, the following strings are shown:

OlHeyaremltswrking
!!!,?
é üäü ö

The third string has two whitespace characters between the characters "é" and "ü". However, when looking at the input string given or at the output of the passed exercise, there are three whitespace characters between the characters "é" and "ü".