diff --git a/examples/etc/turnserver.conf b/examples/etc/turnserver.conf
index 9e29065b..892fb0b8 100644
--- a/examples/etc/turnserver.conf
+++ b/examples/etc/turnserver.conf
@@ -542,7 +542,7 @@
 # Enable full ISO-8601 timestamp in all logs.
 #new-log-timestamp
 
-# Set timestamp format (in strftime(1) format)
+# Set timestamp format (in strftime(1) format). Depends on new-log-timestamp to be enabled.
 #new-log-timestamp-format "%FT%T%z"
 
 # Disabled by default binding logging in verbose log mode to avoid DoS attacks.
diff --git a/src/apps/relay/mainrelay.c b/src/apps/relay/mainrelay.c
index e4a5773d..89edf87a 100644
--- a/src/apps/relay/mainrelay.c
+++ b/src/apps/relay/mainrelay.c
@@ -629,7 +629,7 @@ static char Usage[] = "Usage: turnserver [options]\n"
 "						name will be constructed as-is, without PID and date appendage.\n"
 "						This option can be used, for example, together with the logrotate tool.\n"
 " --new-log-timestamp				Enable full ISO-8601 timestamp in all logs.\n"
-" --new-log-timestamp-format    	<format>	Set timestamp format (in strftime(1) format)\n"
+" --new-log-timestamp-format    	<format>	Set timestamp format (in strftime(1) format). Depends on --new-log-timestamp to be enabled.\n"
 " --log-binding					Log STUN binding request. It is now disabled by default to avoid DoS attacks.\n"
 " --stale-nonce[=<value>]			Use extra security with nonce value having limited lifetime (default 600 secs).\n"
 " --max-allocate-lifetime	<value>		Set the maximum value for the allocation lifetime. Default to 3600 secs.\n"