diff --git a/api.go b/api.go
index d3759bc..af22c25 100644
--- a/api.go
+++ b/api.go
@@ -2071,7 +2071,7 @@ func (sc *Client) GetTimeseries(corpName, siteName string, query url.Values) ([]
 // AttackThreshold
 type AttackThreshold struct {
 	Interval  int `json:"interval,omitempty"` // Interval in minutes of threshold. Valid options 1, 10, 60
-	Threshold int `json:threshold,omitempty"` // Threshold from 1 - 10000
+	Threshold int `json:"threshold,omitempty"` // Threshold from 1 - 10000
 }
 
 // CreateSiteBody is the structure required to create a Site.