diff --git a/BirdySlimDocumentation.md b/BirdySlimDocumentation.md
index fd77630..d1f3827 100644
--- a/BirdySlimDocumentation.md
+++ b/BirdySlimDocumentation.md
@@ -1,6 +1,8 @@
 ## Some more Info about the Birdy Slim (IoT) Pager
 
 
+- OTA Time "#ZEIT=hhmmDDMMYY#ZEIT=hhmmDDMMYY"
+
 - first 5 Characters of a Message can be used a MessageID, IF enabled per SubRIC
 ![image](https://user-images.githubusercontent.com/63829136/111872229-0ceaae00-898e-11eb-84d0-abfec9250c6b.png)