diff --git a/README.md b/README.md
index 47984fbe7c1dfb591991d773ac2f82e7e1457016..733c6bf000192fe75bf2a62eece1fbd741a49dae 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,8 @@ If the html files is in the root folder, please change the file_dir const at lin
 
 3. This program didn't realize Advanced Functionality 2: Identifying Players by Cookie.
 
+4. This student suffers from OCD, in her opinion, test branch is not clean in the whole project. So she deleted all test branch after merged them to master branch. If you didn't see any branch except master branch, it does not mean that no other branches were created during the work.
+
 ## Structure
 ```
 comp30023-2019-project-1