diff --git a/README.md b/README.md
index 4b987e1..e0f8cb5 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,7 @@
 ---
 ## 5. DB
 
-### MES DB (`transducers`)
+### (1) MES DB (`transducers`)
 
 | 항목       | 변수명           | 예시         |
 | -------- | ------------- | ---------- |
@@ -82,7 +82,7 @@
 | 등급       | `td_grade`    | PRO        |
 | 측정 C값    | `td_c`        | 82         |
 
-### NAS DB (`jomtCartridgeTbl`, `jomtMES_IQCTbl`, `jomtMES_PD1Tbl`)
+### (2) NAS DB (`jomtCartridgeTbl`, `jomtMES_IQCTbl`, `jomtMES_PD1Tbl`)
 
 #### \[IQC 초기 등록] `LoadRegTD()` (SELECT)