diff --git a/contrib/fedora/rpm/NetworkManager.conf b/contrib/fedora/rpm/NetworkManager.conf
index 1294cbbe1..a66f370a1 100644
--- a/contrib/fedora/rpm/NetworkManager.conf
+++ b/contrib/fedora/rpm/NetworkManager.conf
@@ -41,5 +41,9 @@
 # You will find the logfiles in syslog, for example via
 #   $ journalctl -u NetworkManager
 #
+# Note that debug logging of NetworkManager can be quite verbose. Some messages
+# might be rate-limited by the logging daemon (see RateLimitIntervalSec, RateLimitBurst
+# in man journald.conf).
+#
 #level=TRACE
 #domains=ALL