diff --git a/docs/resources/vault_cluster.md b/docs/resources/vault_cluster.md
index acb8ff428..63414d3cd 100644
--- a/docs/resources/vault_cluster.md
+++ b/docs/resources/vault_cluster.md
@@ -62,6 +62,7 @@ Optional:
 - **create** (String)
 - **default** (String)
 - **delete** (String)
+- **update** (String)
 
 ## Import