Updated FAQ

FAQ.md

@@ -42,7 +42,8 @@ For authorizing:
 * Apple iCloud, see [question 148](#user-content-faq148) ([German](https://support.apple.com/de-de/HT204397))
 * Free.fr, see [question 157](#user-content-faq157)
 * Posteo: please check if [additional email account protection](https://posteo.de/en/help/activating-additional-email-account-protection) ([German](https://posteo.de/hilfe/zusaetzlichen-postfachschutz-deaktivieren)) isn't enabled
-* Web.de: please check if [IMAP is enabled](https://hilfe.web.de/pop-imap/imap/imap-serverdaten.html)
+* Web.de: please check if [IMAP is enabled](https://hilfe.web.de/pop-imap/imap/imap-serverdaten.html), 
+* Web.de: with two factor authentication you'll need to use [an app password](https://web.de/email/sicherheit/zwei-faktor-authentifizierung/)
 * GMX: please check if [IMAP is enabled](https://support.gmx.com/pop-imap/toggle.html) ([German](https://hilfe.gmx.net/pop-imap/einschalten.html))
 * GMX: with two factor authentication you'll need to use [an app password](https://support.gmx.com/security/2fa/application-specific-passwords.html) ([German](https://hilfe.gmx.net/sicherheit/2fa/anwendungsspezifisches-passwort.html))
 * T-online.de: please make sure you use [an email password](https://www.telekom.de/hilfe/festnetz-internet-tv/e-mail/e-mail-adresse-passwoerter-und-sicherheit/passwort-fuer-e-mail-programme-einrichten) (German) and not your account password