diff --git a/wiki/infrastructure/calendar.md b/wiki/infrastructure/calendar.md
index 7e0c08b..52b94bb 100644
--- a/wiki/infrastructure/calendar.md
+++ b/wiki/infrastructure/calendar.md
@@ -47,7 +47,11 @@
 * **Outlook**
   * bitte ergänzen \(google: "webcal outlook" für read, "caldav" für read+write\)
   * Anmerkung: webcal ist so ähnlich wie ical/ics, so wie ich das verstehe. 
-* **IOS**
-  * bitte ergänzen \(google: "webcal ios" für read, "caldav" für read+write\)
+* **Google Calendar**
+  * "Other calendars" -> "Add other calendars" -> "From URL" -> "Add calendar"
+* **iCalendar**
+  * "File" -> "New Calendar Subscription" -> Link von oben eingeben
+* **iOS**
+  * \(google: "webcal ios" für read, "caldav" für read+write\)
   * Anmerkung: webcal ist so ähnlich wie ical/ics, so wie ich das verstehe.
 
diff --git a/wiki/infrastructure/correlaid-calendar.md b/wiki/infrastructure/correlaid-calendar.md
index 4ef662a..1935604 100644
--- a/wiki/infrastructure/correlaid-calendar.md
+++ b/wiki/infrastructure/correlaid-calendar.md
@@ -2,16 +2,13 @@
 
 We have a CorrelAid calendar to keep recurring meetings, core team calls, special events such as the meetup and events where we will be present. 
 
-In addition to the "global" calender, some local chapters maintain their own calendar. All calendars are hosted on the [CorrelCloud](correlcloud.md) and can be read and edited by people who have an account there \(for CorrelAidX chapters, write access might be restricted to certain people\). In addition, some are shared publicly:
+In addition to the "global" calender, some local chapters maintain their own calendar. All calendars are hosted on the [CorrelCloud](correlcloud.md) and can be read and edited by people who have an account there \(for CorrelAidX chapters, write access is restricted to certain people\). In addition, some are shared publicly:
 
 * "global" CorrelAid calendar
   * [web view](https://correlcloud.org/index.php/apps/calendar/p/w4ak9WY4T6Ln452r/dayGridMonth/now)
   * [webcal link](webcal://correlcloud.org/remote.php/dav/public-calendars/w4ak9WY4T6Ln452r/?export)
 * CorrelAidX calender\(s\)
   * we happily set-up calendars for CorrelAidX chapters
-  * links for read access and how to get edit access can be found in the [CorrelAidX cross chapter documentation](https://correlaid.gitbook.io/correlaidx-cross-chapter-documentation/)
-
-
-
-
+  * links for read access and how to get edit access can be found in the [CorrelAidX cross chapter documentation](https://correlaid.gitbook.io/correlaidx-cross-chapter-documentation/correlaidx-collaboration-communication#calendar)
 
+For German instructions on how to include a calendar in your client application or how to access the url for a CorrelAidX chapter click [here](https://github.com/CorrelAid/docs/blob/master/wiki/infrastructure/calendar.md)