diff --git a/nip11/types.go b/nip11/types.go
index 0b150b9..0dbd1c0 100644
--- a/nip11/types.go
+++ b/nip11/types.go
@@ -8,4 +8,43 @@ type RelayInformationDocument struct {
 	SupportedNIPs []int  `json:"supported_nips"`
 	Software      string `json:"software"`
 	Version       string `json:"version"`
+
+	Limitation     *RelayLimitationDocument `json:"limitation,omitempty"`
+	RelayCountries []string                 `json:"relay_countries,omitempty"`
+	LanguageTags   []string                 `json:"language_tags,omitempty"`
+	Tags           []string                 `json:"tags,omitempty"`
+	PostingPolicy  string                   `json:"posting_policy,omitempty"`
+	PaymentsURL    string                   `json:"payments_url,omitempty"`
+	Fees           *RelayFeesDocument       `json:"fees,omitempty"`
+}
+
+type RelayLimitationDocument struct {
+	MaxMessageLength int  `json:"max_message_length,omitempty"`
+	MaxSubscriptions int  `json:"max_subscriptions,omitempty"`
+	MaxFilters       int  `json:"max_filters,omitempty"`
+	MaxLimit         int  `json:"max_limit,omitempty"`
+	MaxSubidLength   int  `json:"max_subid_length,omitempty"`
+	MinPrefix        int  `json:"min_prefix,omitempty"`
+	MaxEventTags     int  `json:"max_event_tags,omitempty"`
+	MaxContentLength int  `json:"max_content_length,omitempty"`
+	MinPowDifficulty int  `json:"min_pow_difficulty,omitempty"`
+	AuthRequired     bool `json:"auth_required"`
+	PaymentRequired  bool `json:"payment_required"`
+}
+
+type RelayFeesDocument struct {
+	Admission []struct {
+		Amount int    `json:"amount"`
+		Unit   string `json:"unit"`
+	} `json:"admission,omitempty"`
+	Subscription []struct {
+		Amount int    `json:"amount"`
+		Unit   string `json:"unit"`
+		Period int    `json:"period"`
+	} `json:"subscription,omitempty"`
+	Publication []struct {
+		Kinds  []int  `json:"kinds"`
+		Amount int    `json:"amount"`
+		Unit   string `json:"unit"`
+	} `json:"publication,omitempty"`
 }
diff --git a/relay_test.go b/relay_test.go
index 287505d..1436811 100644
--- a/relay_test.go
+++ b/relay_test.go
@@ -105,9 +105,11 @@ func TestPublishWriteFailed(t *testing.T) {
 
 	// connect a client and send a text note
 	rl := mustRelayConnect(ws.URL)
-	status, _ := rl.Publish(context.Background(), textNote)
+	// Force brief period of time so that publish always fails on closed socket.
+	time.Sleep(1 * time.Millisecond)
+	status, err := rl.Publish(context.Background(), textNote)
 	if status != PublishStatusFailed {
-		t.Errorf("published status is %d, not %d", status, PublishStatusFailed)
+		t.Errorf("published status is %d, not %d, err: %v", status, PublishStatusFailed, err)
 	}
 }