diff --git a/website/source/docs/upgrade/upgrade-specific.html.md b/website/source/docs/upgrade/upgrade-specific.html.md
index 0274915c0..745eed066 100644
--- a/website/source/docs/upgrade/upgrade-specific.html.md
+++ b/website/source/docs/upgrade/upgrade-specific.html.md
@@ -36,7 +36,7 @@ To do a zero-downtime deploy with jobs that use the `load` option:
 
 ```hcl
     constraint {
-      attribute = "nomad.version"
+      attribute = "${attr.nomad.version}"
       operator  = "version"
       value     = ">= 0.5.5"
     }