diff --git a/subjects/ascii-art-web/ascii-art-web-exportfile.en.md b/subjects/ascii-art-web/ascii-art-web-exportfile.en.md
index 54e0a666..56fc7904 100644
--- a/subjects/ascii-art-web/ascii-art-web-exportfile.en.md
+++ b/subjects/ascii-art-web/ascii-art-web-exportfile.en.md
@@ -22,5 +22,6 @@ This project will help you learn about :
 ### Instructions
 
 - The web server must export at least in one export format.
+- The web server must be created in **Go**.
 - You must handle website errors.
 - The code must respect the [good practices](https://github.com/01-edu/public/blob/master/subjects/good-practices.en.md).