diff --git a/README.md b/README.md
index b0bb0ae9..b9df2bcb 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Bootstrapped from [TimescaleDB](https://github.com/timescale/timescaledb-docker)
 
 ### Usage with Compose
 
-```yaml
+```yam
 version: '3.6'
 services:
   warpsql: