diff --git a/README.md b/README.md
index 063cd51..248167a 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ To add support for Twitter account verification, make a [developer account](http
 
 To run Keyoxide using docker-compose, add the following snippet to your `docker-compose.yml`:
 
-```
+```yml
 keyoxide:
   image: keyoxide/keyoxide:stable
   ports: