diff --git a/docker-compose/ccd-sim.yml b/docker-compose/ccd-sim.yml
index 0ceac9c2e0023e1dc184a8a898c5a70f42884ac5..b02d3693abc28ad95fde8b57515613c8cae09204 100644
--- a/docker-compose/ccd-sim.yml
+++ b/docker-compose/ccd-sim.yml
@@ -2,9 +2,9 @@
 # Docker compose file that launches an APSCT simulator
 #
 # Defines:
-#   - apsct-sim
+#   - apsct-sim 
 #
-version: '2.1'
+version: '2.1' 
 
 services:
   ccd-sim: