fix typo

ERROR: The Compose file '.\docker-compose.yml' is invalid because:
services.iris.build contains unsupported option: 'command'

Author: rcemper

docker-compose.yml

@@ -4,7 +4,7 @@ services:
     build: 
       context: .
       dockerfile: Dockerfile
-      command: --check-caps false
+    command: --check-caps false
     restart: always
     ports: 
       - 1972