Updating SiaB RG Authentication commands

Change-Id: I94d9e1ef4f180cc6868bf55cfac4e7e23a489668
diff --git a/profiles/seba/siab.md b/profiles/seba/siab.md
index 1d5b294..eed5f44 100644
--- a/profiles/seba/siab.md
+++ b/profiles/seba/siab.md
@@ -473,7 +473,7 @@
 Enter the RG pod in the voltha namespace:
 
 ```bash
-RG_POD=$( kubectl -n voltha get pod -l "app=rg0" -o jsonpath='{.items[0].metadata.name}' )
+RG_POD=$( kubectl -n voltha get pod -l "app=rg0-0" -o jsonpath='{.items[0].metadata.name}' )
 kubectl -n voltha exec -ti $RG_POD bash
 ```