Fix comments

internal/resolver/dns/dns_resolver.go

@@ -49,16 +49,16 @@ var (
 	// MinResolutionRate is the minimum rate at which re-resolutions are
 	// allowed. This helps to prevent excessive re-resolution.
 	MinResolutionRate = 30 * time.Second
-)
 
-// ResolvingTimeout specifies the maximum duration for a DNS resolution request.
-// If the timeout expires before a response is received, the request will be canceled.
-//
-// It is recommended to set this value at application startup. Avoid modifying this variable
-// after initialization as it's not thread-safe for concurrent modification.
-var ResolvingTimeout = 30 * time.Second
+	// ResolvingTimeout specifies the maximum duration for a DNS resolution request.
+	// If the timeout expires before a response is received, the request will be canceled.
+	//
+	// It is recommended to set this value at application startup. Avoid modifying this variable
+	// after initialization as it's not thread-safe for concurrent modification.
+	ResolvingTimeout = 30 * time.Second
 
-var logger = grpclog.Component("dns")
+	logger = grpclog.Component("dns")
+)
 
 func init() {
 	resolver.Register(NewBuilder())

internal/resolver/dns/dns_resolver_test.go

@@ -71,8 +71,8 @@ func overrideNetResolver(t *testing.T, r *testNetResolver) {
 // Override the DNS Min Res Rate used by the resolver.
 func overrideResolutionRate(t *testing.T, d time.Duration) {
 	origMinResRate := dns.MinResolutionRate
-	dns.MinResolutionRate = d
-	t.Cleanup(func() { dns.MinResolutionRate = origMinResRate })
+	dnspublic.SetMinResolutionRate(d)
+	t.Cleanup(func() { dnspublic.SetMinResolutionRate(origMinResRate) })
 }
 
 // Override the timer used by the DNS resolver to fire after a duration of d.

resolver/dns/dns_resolver.go

@@ -55,9 +55,6 @@ func NewBuilder() resolver.Builder {
 
 // SetMinResolutionRate sets the default minimum rate at which DNS re-resolutions are
 // allowed. This helps to prevent excessive re-resolution.
-//
-// Using this option overwrites the default [MinResolutionRate] specified
-// in the internal dns resolver package.
 func SetMinResolutionRate(d time.Duration) {
 	dns.MinResolutionRate = d
 }