diff --git a/Client-Registration/RegClient.zip b/Client-Registration/RegClient.zip
new file mode 100644
index 0000000..e3ad5bb
Binary files /dev/null and b/Client-Registration/RegClient.zip differ
diff --git a/Client-Registration/src/auth/authConfig.js b/Client-Registration/src/auth/authConfig.js
index 1c2ea27..643d973 100644
--- a/Client-Registration/src/auth/authConfig.js
+++ b/Client-Registration/src/auth/authConfig.js
@@ -1,3 +1,12 @@
+/**
+ * MSAL Configuration for Entra External ID (Customer Identity / CIAM)
+ *
+ * Tenant:    Positive Spend Clients
+ * Domain:    positiveclients.onmicrosoft.com
+ * Tenant ID: cbf8b7d7-1e13-486d-b5b0-287ba79fdf0b
+ * SPA App:   AdPlatform Client SPA
+ * Client ID: 43c493e4-e1ed-4cd7-ab0a-e507e20af724
+ */
 export const msalConfig = {
     auth: {
         clientId:              '43c493e4-e1ed-4cd7-ab0a-e507e20af724',