diff --git a/HCSDL/README.md b/HCSDL/README.md
index 53f9b0c..f06791f 100644
--- a/HCSDL/README.md
+++ b/HCSDL/README.md
@@ -1 +1,3 @@
-# HCSDL
\ No newline at end of file
+# HCSDL — HCMUT Database Systems
+
+HCMUT (Bach Khoa) Database Systems (Hệ Cơ Sở Dữ Liệu) coursework and exercises — schema design, SQL, normalization practice.