diff --git a/README.md b/README.md
index 0b30160..24958b7 100644
--- a/README.md
+++ b/README.md
@@ -8,3 +8,14 @@ Gecko codes for Super Mario Sunshine made by sup39.
    ```
    pip install -U "supSMSGecko>=0.1.0a5"
    ```
+
+## Compiling the codes
+```sh
+# go to the directory of the code (e.g. ControllerInputDisplay)
+cd ControllerInputDisplay
+
+# run make.py
+python make.py
+
+# the result will be in `@code.xml`
+```