Bring auth carbon-ourname documentation in line with recursor's.

This bit me as I "accidentally" put dots in the carbon-ourname field.

diff --git a/docs/markdown/authoritative/settings.md b/docs/markdown/authoritative/settings.md
index d445d2da87878d6c32d7fecc00089b144cf8c1ef..9bac9a2666a9dcfc52430fa799b1ad1b32dfa968 100644 (file)
--- a/docs/markdown/authoritative/settings.md
+++ b/docs/markdown/authoritative/settings.md
@@ -67,7 +67,7 @@ Seconds to store packets in the PacketCache. See
 * Default: the hostname of the server
 * Available since: 3.3.1
 
-If sending carbon updates, if set, this will override our hostname. See
+If sending carbon updates, if set, this will override our hostname. Be careful not to include any dots in this setting, unless you know what you are doing. See
 ["PowerDNS Metrics"](../common/logging.md#sending-to-carbongraphitemetronome).
 
 ## `carbon-server`