diff --git a/api/swagger.yaml b/api/swagger.yaml
index 2124a816b1..cf7043d336 100644
--- a/api/swagger.yaml
+++ b/api/swagger.yaml
@@ -155,6 +155,7 @@ definitions:
       IP:
         type: "string"
         format: "ip-address"
+        description: "Host IP address that the container's port is mapped to"
       PrivatePort:
         type: "integer"
         format: "uint16"
diff --git a/api/types/port.go b/api/types/port.go
index ad52d46d56..d91234744c 100644
--- a/api/types/port.go
+++ b/api/types/port.go
@@ -7,7 +7,7 @@ package types
 // swagger:model Port
 type Port struct {
 
-	// IP
+	// Host IP address that the container's port is mapped to
 	IP string `json:"IP,omitempty"`
 
 	// Port on the container