diff --git a/errors/errors.go b/errors/errors.go
index fa30f274..f61a772f 100644
--- a/errors/errors.go
+++ b/errors/errors.go
@@ -5,6 +5,9 @@ import (
 	"net/http"
 )
 
+// Errors provide a way to return detailed information
+// for an RPC request error. The error is normally
+// JSON encoded.
 type Error struct {
 	Id     string `json:"id"`
 	Code   int32  `json:"code"`