diff --git a/en/application-dev/reference/errorcodes/errorcode-telephony.md b/en/application-dev/reference/errorcodes/errorcode-telephony.md
index f90efffed3589a42344d27fcbbf641872e295a96..a39655b6cfb9183f32f99aae8e70023b8d35e4f4 100644
--- a/en/application-dev/reference/errorcodes/errorcode-telephony.md
+++ b/en/application-dev/reference/errorcodes/errorcode-telephony.md
@@ -165,7 +165,7 @@ This error code is reported if the UT is not connected.
 
 **Cause**
 
-The current carrier does not support sending of UT requests over a Wi-Fi network, but the mobile phone is connected to the Wi-Fi network.
+The current carrier does not support sending of UT requests over a Wi-Fi network, but the device is connected to the Wi-Fi network.
 
 **Solution**