diff --git a/docker-compose/device-ccd.yml b/docker-compose/device-ccd.yml
index 8cbb9f345c055680ad5b152834371dc455d58f2a..2c8e30a1474299e80edf10f5e9ef766eb1c5f16c 100644
--- a/docker-compose/device-ccd.yml
+++ b/docker-compose/device-ccd.yml
@@ -15,7 +15,7 @@ version: '2.1'
 services:
   device-ccd:
     image: device-ccd
-    # build explicitly, as docker-compose does not understand a local image
+    # build explicitly, as docker-compose does not understand a local image.
     # being shared among services.
     build:
         context: ..