diff --git a/src/pkg/net/http/request.go b/src/pkg/net/http/request.go
index 603299df55..ccdf121117 100644
--- a/src/pkg/net/http/request.go
+++ b/src/pkg/net/http/request.go
@@ -105,7 +105,16 @@ type Request struct {
 	// following a hyphen uppercase and the rest lowercase.
 	Header Header
 
-	// The message body.
+	// Body is the request's body.
+	//
+	// For client requests, a nil body means the request has no
+	// body, such as a GET request. The HTTP Client's Transport
+	// is responsible for calling the Close method.
+	//
+	// For server requests, the Request Body is always non-nil
+	// but will return EOF immediately when no body is present.
+	// The Server will close the request body. The ServeHTTP
+	// Handler does not need to.
 	Body io.ReadCloser
 
 	// ContentLength records the length of the associated content.