diff --git a/ESP-IDF_Robot/tutorial/docs/source/data.rst b/ESP-IDF_Robot/tutorial/docs/source/data.rst
index 818ac947c..090c4597e 100644
--- a/ESP-IDF_Robot/tutorial/docs/source/data.rst
+++ b/ESP-IDF_Robot/tutorial/docs/source/data.rst
@@ -1,2 +1,2 @@
-DATA
-====
\ No newline at end of file
+DATA STRUCT
+===========
\ No newline at end of file