diff --git a/website/source/guides/security/encryption.html.md b/website/source/guides/security/encryption.html.md
index 1854a9dc9..6eda025ff 100644
--- a/website/source/guides/security/encryption.html.md
+++ b/website/source/guides/security/encryption.html.md
@@ -18,6 +18,7 @@ Enabling gossip encryption only requires that you set an encryption key when
 starting the Nomad server. The key can be set via the
 [`encrypt`](/docs/configuration/server.html#encrypt) parameter: the value
 of this setting is a server configuration file containing the encryption key.
+The same encryption key should be used on every server in a region.
 
 The key must be 16 bytes, base64 encoded. As a convenience, Nomad provides the
 [`nomad operator keygen`](/docs/commands/operator/keygen.html) command to