diff --git a/sites/payment/deploy/k8s/readme.md b/sites/payment/deploy/k8s/readme.md
index 8c82110..868b410 100644
--- a/sites/payment/deploy/k8s/readme.md
+++ b/sites/payment/deploy/k8s/readme.md
@@ -1,4 +1,5 @@
 - K8s namespace should be the same as the code repository name(project name), e.g. **freeleaps-service-hub** 
+  - All apps within the repository should be deployed under the same namespace
 - For each app, the K8s pod name must be the same as appEnv.APP_NAME
 - When loading deployment yaml file under k8s folder (alpha.yaml, prod.yaml):
   - Replace the secret values that are in format of {SECRET_NAME}, e.g. **{STRIPE_API_KEY}**