DOC: config: further clarify that resolvers "default" exists

It was explained in the general presentation of resolvers but not in
the "resolvers" keyword description itself, which might be where users
could be looking for that info, so let's quickly repeat that info there.

diff --git a/doc/configuration.txt b/doc/configuration.txt
index bcb042f72730737abaa7a16a63f97127678cc366..a51701fcf8e863638cc74ff515df0e126074f45a 100644 (file)
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -20189,7 +20189,11 @@ a cache of previous answers, an answer will be considered obsolete after
 
 
 resolvers <resolvers id>
-  Creates a new name server list labeled <resolvers id>
+  Creates a new name server list labeled <resolvers id>. As mentioned above,
+  the special name "default" always exists and will be automatically created if
+  not explicitly declared; this will be the one internal services such as
+  httpclient rely on. Declaring a "default" entry will affect how such services
+  perform their name resolution.
 
 A resolvers section accept the following parameters: