diff --git a/ESP-IDF_Robot/tutorial/docs/source/transmitter.rst b/ESP-IDF_Robot/tutorial/docs/source/transmitter.rst
index fcd3cfa75..e871a7cad 100644
--- a/ESP-IDF_Robot/tutorial/docs/source/transmitter.rst
+++ b/ESP-IDF_Robot/tutorial/docs/source/transmitter.rst
@@ -25,6 +25,9 @@ Sending & Ecapsulating Data
 .. code-block:: c
 
     void sendData (void) {
+
+        buffer.x_axis = x_axis;
+        buffer.y_axis = y_axis;
     }
 
 Main Function