diff --git a/command/agent/config.go b/command/agent/config.go
index 61c17bddf2..eb3e659b24 100644
--- a/command/agent/config.go
+++ b/command/agent/config.go
@@ -81,11 +81,15 @@ type DNSConfig struct {
 	// Records returned in the ANSWER section of a DNS response. This is
 	// not normally useful and will be limited based on the querying
 	// protocol, however systems that implemented §6 Rule 9 in RFC3484
-	// may want to set this to 1 in order to achieve round-robin DNS.
+	// may want to set this to `1` in order to subvert §6 Rule 9 and
+	// re-obtain the effect of randomized resource records (i.e. each
+	// answer contains only one IP, but the IP changes every request).
 	// RFC3484 sorts answers in a deterministic order, which defeats the
-	// purpose of round-robin DNS.  This RFC has been obsoleted by
-	// RFC6724, however a large number of Linux hosts using glibc(3)
-	// implemented §6 Rule 9 (e.g. CentOS 5-6, Debian Squeeze, etc).
+	// purpose of randomized DNS responses.  This RFC has been obsoleted
+	// by RFC6724 and restores the desired behavior of randomized
+	// responses, however a large number of Linux hosts using glibc(3)
+	// implemented §6 Rule 9 and may need this option (e.g. CentOS 5-6,
+	// Debian Squeeze, etc).
 	UDPAnswerLimit int `mapstructure:"udp_answer_limit"`
 
 	// MaxStale is used to bound how stale of a result is