diff --git a/code/API_definitions/device-identifier.yaml b/code/API_definitions/device-identifier.yaml
index 5e9bf4b..1b60e3b 100644
--- a/code/API_definitions/device-identifier.yaml
+++ b/code/API_definitions/device-identifier.yaml
@@ -35,7 +35,7 @@ info:
 
     ![Device Identifier API Overview](https://raw.githubusercontent.com/camaraproject/DeviceIdentifier/main/documentation/API_documentation/resources/Device_Identifier_Overview.png)
 
-    The Device Identifier API allows the API consumer to obtain the IMEI and associated parameters for a specified mobile subscription identifier or equivalent. The mobile subscription can be identified using one of the following subscription identifiers:
+    The Device Identifier API allows the API consumer to obtain a device identifer and associated parameters for a specified mobile subscription identifier or equivalent. The mobile subscription can be identified using one of the following subscription identifiers:
     - the subscription phone number (also known as MSISDN)
     - the subscription network access identifier, which is a domain specific identifier typically allocated to devices that do not require voice / SMS connectivity
     - the current IP address and port alloacted to the device, which must be an IPv6 or public IPv4 address