diff --git a/documents/solution/security-and-compliance/protect-web-applications-with-WAF.yml b/documents/solution/security-and-compliance/protect-web-applications-with-WAF.yml
index daccb5ca..11a2c666 100644
--- a/documents/solution/security-and-compliance/protect-web-applications-with-WAF.yml
+++ b/documents/solution/security-and-compliance/protect-web-applications-with-WAF.yml
@@ -153,6 +153,7 @@ Metadata:
       - Parameters:
         - VSwitchZoneId
         - EcsInstanceType
+        - InstancePassword
     Hidden:
       - CommonName
     TemplateTags: