diff --git a/API-Endpoint.md b/API-Endpoint.md
index eb8a4cb..8be368e 100644
--- a/API-Endpoint.md
+++ b/API-Endpoint.md
@@ -4,4 +4,6 @@ Unique Identifier for the device
 # Temperature: Signed Float
 Temperature of the temp sensor
 
-# Battery Voltage: 
\ No newline at end of file
+# Battery Voltage:  Unsinged sensor
+
+# UPTime: ?