diff --git a/charts/nextcloud/README.md b/charts/nextcloud/README.md
index 0f667cf5..aabfe075 100644
--- a/charts/nextcloud/README.md
+++ b/charts/nextcloud/README.md
@@ -401,9 +401,19 @@ nextcloud:
           name: my-existing-kubernetes-secret
           key: S3_PASSWORD
 
+    # optional: use if you have S3 SSE C encryption enabled
+    - name: "OBJECTSTORE_S3_SSE_C_KEY"
+      valueFrom:
+        secretKeyRef:
+          name: my-existing-kubernetes-secret
+          key: S3_ENCRYPTION_KEY
+
     - name: "OBJECTSTORE_S3_PORT"
       value: "443"
 
+    - name: "OBJECTSTORE_S3_STORAGE_CLASS"
+      value: "STANDARD"
+
     - name: "OBJECTSTORE_S3_SSL"
       value: "true"