diff --git a/tests/README.md b/tests/README.md
index 78edcac6ac..ff42c9bb3d 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -175,7 +175,7 @@ cd /root/TDengine/packaging/smokeTest
 
 ### How to add new case?
 
-[Placeholder]
+You can update python commands part of test_smoking_selfhost.sh file to add any system test case into smoke test.
 
 ## 3.3 Chaos Test