fix type: Enging -> Engine
diff --git a/openstack/orchestration/v1/buildinfo/results.go b/openstack/orchestration/v1/buildinfo/results.go
index 0e006b8..683a434 100644
--- a/openstack/orchestration/v1/buildinfo/results.go
+++ b/openstack/orchestration/v1/buildinfo/results.go
@@ -5,7 +5,7 @@
 	"github.com/rackspace/gophercloud"
 )
 
-// Revision represents the API/Enging revision of a Heat deployment.
+// Revision represents the API/Engine revision of a Heat deployment.
 type Revision struct {
 	Revision string `mapstructure:"revision"`
 }