diff --git a/en/firmware/epicardium_api_development.md b/en/firmware/epicardium_api_development.md
index 22ed2ea99b22190cafeda6c00cbfc49eed6acabe..e425e6d5237f6105967626268d3f16be29e4f318 100644
--- a/en/firmware/epicardium_api_development.md
+++ b/en/firmware/epicardium_api_development.md
@@ -38,7 +38,7 @@ The `*.c`-files need to be added to [`epicardium/modules/meson.build`](https://g
 
 An exemplary implementation to the declaration above could look like the following:
 ```c
-#include "example.h"
+#include <stdio.h>
 
 void epic_example_call(int example_param_a, uint8_t example_param_b)
 {