diff --git a/README.md b/README.md
index 8c3844429586ab229a55940ac85b5547600473c0..5f673bd2956cab859c7db4f97ef1bdf4707b4b39 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ OpenCAPIF SDK brings a set of functions to integrate with the 5G Core's function
 | registrations (DELETE)                          | offboard_provider()                                         | Deletes a service provider's registration.                  |
 | allServiceAPIs (GET)                            | discover()                                                  | Retrieves a list of all available service APIs.             |
 | trustedInvokers (PUT//POST)                     | discover()                                                  | Registers or updates trusted invokers.                      |
-| securities/{securityId}/token (GET)             | get_tokens()                                                | Retrieves a security token for a specific `securityId`.     |
+| securities/{securityId}/token (GET)             | get_tokens()                                                | Retrieves a security token for a specific `securityId`. This JWT token is used to query the targeted services.      |
 | service-apis (POST)                             | publish_services()                                          | Registers a new service API into the system.                |
 | service-apis (DELETE)                           | unpublish_service()                                         | Deletes a service API from the system.                      |
 | service-apis (PUT)                              | update_service()                                            | Updates the details of an existing service API.             |