diff --git a/Development/nmos-cpp-node/main.cpp b/Development/nmos-cpp-node/main.cpp
index 2391f9f2..2f1c791d 100644
--- a/Development/nmos-cpp-node/main.cpp
+++ b/Development/nmos-cpp-node/main.cpp
@@ -115,7 +115,7 @@ int main(int argc, char* argv[])
         }
 #endif
 
-// only implement communication with Authorization server if IS-10 is required
+// only implement communication with Authorization server if IS-10/BCP-003-02 is required
 // cf. preprocessor conditions in nmos::make_node_api, nmos::make_connection_api, nmos::make_events_api, nmos::make_channelmapping_api, make_events_ws_validate_handler
         nmos::experimental::authorization_state authorization_state;
         if (nmos::experimental::fields::server_authorization(node_model.settings))
@@ -153,7 +153,7 @@ int main(int argc, char* argv[])
         }
 #endif
 
-// only implement communication with Authorization server if IS-10 is required
+// only implement communication with Authorization server if IS-10/BCP-003-02 is required
         if (nmos::experimental::fields::client_authorization(node_model.settings))
         {
             std::map<nmos::host_port, web::http::experimental::listener::api_router> api_routers;
diff --git a/Development/nmos/settings.h b/Development/nmos/settings.h
index e69644e1..3f329c09 100644
--- a/Development/nmos/settings.h
+++ b/Development/nmos/settings.h
@@ -410,7 +410,7 @@ namespace nmos
 
             // authorization_flow [node]: used to specify the authorization flow for the registered scopes
             // supported flow are authorization_code and client_credentials
-            // client_credentials SHOULD only be used for NO user interface node/registry, otherwise authorization_code MUST be used
+            // client_credentials SHOULD only be used when the node/registry has NO user interface, otherwise authorization_code MUST be used
             const web::json::field_as_string_or authorization_flow{ U("authorization_flow"), U("authorization_code") };
 
             // authorization_redirect_port [node]: redirect URL port for listening authorization code, used for client registration