diff --git a/openscad.html.markdown b/openscad.html.markdown
index ebdb39cc..2bbf72d6 100644
--- a/openscad.html.markdown
+++ b/openscad.html.markdown
@@ -7,7 +7,7 @@ contributors:
 
 Draw 3D models with code using [OpenSCAD](https://openscad.org/).
 
-```
+```openscad
 // Comments look like this
 
 // 3D Primitives