diff --git a/docs/nodes/expressions.md b/docs/nodes/expressions.md
index 8013d90d7..b177d36a4 100644
--- a/docs/nodes/expressions.md
+++ b/docs/nodes/expressions.md
@@ -126,3 +126,7 @@ const isActive = $workflow.active;
 const workflowId = $workflow.id;
 const workflowName = $workflow.name;
 ```
+
+## Variable: $restartWebhookUrl
+
+This section is still a work in progress. We'll add more details about this variable soon.