diff --git a/FAQ.md b/FAQ.md
index 75f6cec..0a0e6a6 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -16,10 +16,13 @@
 - Yes, we provide a service to ungoogle your smartphone, see [here][offer].
 
 **6. After I ungoogled my smartphone, I can't find all important apps in the F-Droid Store, are there any workarounds?**
-- The F-Droid Store only contains Free and open-source software (FOSS), as not all apps are FOSS we proposed some options how you can get your apps of choice without the need of a google account in our [README][apps].
+- The F-Droid Store only contains Free and open-source software (FOSS), as not all apps are FOSS we proposed some options how you can get your apps of choice without the need of a google account in our [How-to][messenger] bypass the Google PlayStore.
 
 **7. Can I restore my chats in my messenger?**
-- Yes it is very easy to create a backup file of your chats before you ungoogle your phone. Afterwards, this backup-file will be copied back to the phone and the chats will be restored. For further informations, again checkout our [README][apps].
+- Yes, it is very easy to create a backup file of your chats before you ungoogle your phone. Afterwards, this backup-file will be copied back to the phone and the chats will be restored. For further informations, again checkout our [How-to][messenger].
+
+**8. I really like the synchronization of my calendar between my devices with Google, do you have any workarounds?**
+- Yes, we have created a small [How-to][calendar] sync your calendar without using Google. 
 
 
 
@@ -27,4 +30,5 @@
 [mastodon]: https://social.meissa-gmbh.de/@team
 [guide]: https://gitlab.com/domaindrivenarchitecture/ungoogled-fairphone/-/blob/main/installation_guide.md
 [offer]: https://gitlab.com/domaindrivenarchitecture/ungoogled-fairphone/-/blob/main/our_offer.md
-[apps]: https://gitlab.com/domaindrivenarchitecture/ungoogled-fairphone/-/blob/main/README.md
+[messenger]: https://gitlab.com/domaindrivenarchitecture/ungoogled-fairphone/-/blob/main/messenger_without_PlayStore.md
+[calendar]: https://gitlab.com/domaindrivenarchitecture/ungoogled-fairphone/-/blob/main/sync_calender.md