fix docker-compose extension typo

was `yaml` changed to `yml`

diff --git a/support/doc/docker.md b/support/doc/docker.md
index 1485e7e856bde6724826b6c780efd442bf3e5940..ddf4ad25daa0376aaeb2c5aac4c88df3cf0f4bb3 100644 (file)
--- a/support/doc/docker.md
+++ b/support/doc/docker.md
@@ -29,7 +29,7 @@ $ vim ./docker-volume/traefik/traefik.toml
 Tweak the `docker-compose.yml` file there according to your needs:
 
 ```shell
-$ vim ./docker-compose.yaml
+$ vim ./docker-compose.yml
 ```
 
 Then tweak the `.env` file to change the enviromnent variables: