diff --git a/data/apps/cvtt_musvc.cfg b/data/apps/cvtt_musvc.cfg
index 9bbe2fd..0adb111 100644
--- a/data/apps/cvtt_musvc.cfg
+++ b/data/apps/cvtt_musvc.cfg
@@ -19,7 +19,7 @@
     , "consolidated_log": {
         "channel": "${GLOBAL_CHANNEL_PREFIX}.CLOG",
         "ttl_minutes": 30,
-        "pruners": []"FRONT_GATEWAY"
+        "pruners": ["FRONT_GATEWAY"]  # these MuSvcs prune log to TTL
     }
     , "accounting_gateway": {
         "name": "ACCT_GATEWAY",