diff --git a/docs/portainer-stacks/Librespeed.md b/docs/portainer-stacks/Librespeed.md
index 82eb4e3..6d2b7ca 100644
--- a/docs/portainer-stacks/Librespeed.md
+++ b/docs/portainer-stacks/Librespeed.md
@@ -1,5 +1,5 @@
 Portainer Stack:
-```
+```yaml
 ---
 version: "3.8"
 services: