Syntax fix

virtualzone · virtualzone · commit 8eda20785eac · 2022-04-24T16:14:07.000+02:00
diff --git a/README.md b/README.md
@@ -19,7 +19,7 @@ Currently, Compose Updater doesn't help you when your're using image tags that w
 ### 1. Prepare your services
 You'll need to add two labels to the services you want to watch:
 
-```
+```yaml
 version: '3'
 services:
   web:
