diff --git a/README.md b/README.md
index d82c123..47c202c 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # akashop
-origin-akashop.akamai-lab.com
+https://origin-akashop.akamai-lab.com
 
 ## How to use HTTPS ##
 - traefik/02-traefik.yml
@@ -8,6 +8,7 @@ origin-akashop.akamai-lab.com
 - --certificatesresolvers.le.acme.storage=acme.json
 - --certificatesresolvers.le.acme.tlschallenge=true
 - --certificatesresolvers.le.acme.caServer=https://acme-staging-v02.api.letsencrypt.org/directory
+# change caServer to production https://acme-v02.api.letsencrypt.org/directory
 ```
 - akashop/ingress.yml
 ```
@@ -43,3 +44,11 @@ if(!isset($_COOKIE[$cookie_name])) {
 }
 ```
 
+## How to use ReadWriteMany pvc ##
+- akashop/pv.yml
+```
+nfs:
+  path: /nfs/share/akashop/volumes/db
+  server: 10.0.0.5
+```
+- akashop/pvc.yml
\ No newline at end of file