diff --git a/compiler-plugin-tests/src/test/resources/diagnostics/sample12/main.bal b/compiler-plugin-tests/src/test/resources/diagnostics/sample12/main.bal
index a1fc3133..fd255a75 100644
--- a/compiler-plugin-tests/src/test/resources/diagnostics/sample12/main.bal
+++ b/compiler-plugin-tests/src/test/resources/diagnostics/sample12/main.bal
@@ -40,6 +40,7 @@ public function main() returns error? {
     map<json> result2 = check xmldata:fromXml(xmlPayload);
     io:println(result2);
 
+    // Sample
     Appointments result3 = check xmldata:fromXml(xmlPayload);
     io:println(result3);
 }