Section 6 of Course Chapter 3 (german version) doesn't accept correct answer

In the german version of spaCy 101 Chapter 3, Section 6 ("Simple Components" / "Einfache Komponenten") doesn't accept the correct answer.

Steps to reproduce:
1. Open Course Chapter 3 (german version): https://course.spacy.io/de/chapter3
2. In part 6 ("Einfache Komponenten" / "Simple Components"), click on "Lösung zeigen" ("Show solution")
3. Click "Antworten" ("Submit") button.

Expected behaviour: Prise and homage for correct solution :-)

Encountered behaviour: Mistake with text "✘ Irgendetwas stimmt mit nicht mit den Namen deiner
Pipeline-Komponenten!"

## Which page or section is this issue related to?
[Course Chapter 6](https://course.spacy.io/de/chapter3)