"Save for later" wrong translation in German

Summary

German translation in 6.15.9 is not really correct and can create confusion for users

Environment

• Confluence 6.15.9

Steps to Reproduce

1. Set Confluence in English
2. Check the main Dashboard there is a tab called "Saved for later"
3. Check any page you have access to, you will find a star menu called "Save for later"
4. Change your personal settings to Deutsch
5. Check the main Dashboard, the "Saved for later" tab is "Gespeichert für später"
6. Check any page you have access to, the "Save for later" button is "Favorit"

Expected Results

Using Deutsch, we expect to see "Save for later" to be "Speichern für später"

Actual Results

"Save for later" button is "Favorit" which is not a correct translation.