Update docs/internals.md

Co-authored-by: Sergei Predvoditelev <[email protected]>

docs/internals.md

@@ -14,7 +14,7 @@ For greater ease it is recommended to use docker containers, for this you can us
 
 For running the docker containers you can use the following command:
 
-```dockerfile
+```shell
 docker compose up -d
 ```