diff --git a/gleam.md b/gleam.md
index 6dde06fc..7d8d2179 100644
--- a/gleam.md
+++ b/gleam.md
@@ -24,7 +24,7 @@ code in browser or any other JS-enabled runtime. When using this feature,
 TypeScript definitions get created, so you can interact with your Gleam code
 confidently, even from the outside.
 
-```
+```gleam
 //// This comment with four slashes is a module-level.
 //// This kind of comments are used to describe the whole module.