Adding GUI access clarification

Change-Id: I41904ddc75eb0147eea4d7b165e0f3650ab07cf0
diff --git a/charts/xos-core.md b/charts/xos-core.md
index 487b23a..a693aa1 100644
--- a/charts/xos-core.md
+++ b/charts/xos-core.md
@@ -15,7 +15,7 @@
 
 ## Customizing security information
 
-We strongly recommend you to override the default values of *xosAdminUser* and
+We **strongly recommend** you to override the default values of *xosAdminUser* and
 *xosAdminPassword* with custom values.
 
 You can do it using a [`values.yaml`](https://docs.helm.sh/chart_template_guide/#values-files) file like this one:
diff --git a/operating_cord/gui.md b/operating_cord/gui.md
index cf46522..da50e7f 100644
--- a/operating_cord/gui.md
+++ b/operating_cord/gui.md
@@ -25,6 +25,9 @@
 The *username* and *password* for the GUI are defined in
 the [`xos-core`](../charts/xos-core.md) helm chart.
 
+If you haven't customized the `xos-core` chart installation, then you'll be able
+to login using the default username/password values: `admin@opencord.org/letmein`.
+
 ## Opening the GUI in minikube
 
 The above works the same way when running on `minikube`, but