diff --git a/etc/ot-recorder.default b/etc/ot-recorder.default
index cfc9337..aff721b 100644
--- a/etc/ot-recorder.default
+++ b/etc/ot-recorder.default
@@ -2,5 +2,6 @@
 #
 # Specify global configuration options for the OwnTracks Recorder
 # and its associated utilities to override compiled-in defaults.
+# *** In libconfig versions < 1.4 a trailing semicolon is mandatory
 
 # OTR_STORAGEDIR = "/var/spool/owntracks/recorder/store"