diff --git a/content/rancher/v2.x/en/upgrades/upgrades/single-node-upgrade/_index.md b/content/rancher/v2.x/en/upgrades/upgrades/single-node-upgrade/_index.md
index f8251a3c9e8..71fe3f6696f 100644
--- a/content/rancher/v2.x/en/upgrades/upgrades/single-node-upgrade/_index.md
+++ b/content/rancher/v2.x/en/upgrades/upgrades/single-node-upgrade/_index.md
@@ -96,6 +96,14 @@ During upgrade, you create a copy of the data from your current Rancher containe
     docker run -d --volumes-from rancher-data --restart=unless-stopped -p 80:80 -p 443:443 rancher/rancher:latest
     ```
 
+    >**Attention Let’s Encrypt Users:**
+    >
+    >Remeber to append `--acme-domain <YOUR.DNS.NAME>` to the run command, otherwise rancher will fall back to self signed certificates.
+    >```
+    >docker run -d --volumes-from rancher-data --restart=unless-stopped -p 80:80 -p 443:443 rancher/rancher:latest --acme-domain <YOUR.DNS.NAME>
+    >```
+
+
     >**Want records of all transactions with the Rancher API?**
     >
     >Enable the [API Auditing]({{< baseurl >}}/rancher/v2.x/en/installation/api-auditing) feature by adding the flags below into your upgrade command.