diff --git a/api/catalog.go b/api/catalog.go
index 5964359eb..56f0dbf69 100644
--- a/api/catalog.go
+++ b/api/catalog.go
@@ -16,8 +16,8 @@ type CatalogService struct {
 	ServiceTags              []string
 	ServicePort              int
 	ServiceEnableTagOverride bool
-	CreateIndex		 uint64
-	ModifyIndex		 uint64
+	CreateIndex              uint64
+	ModifyIndex              uint64
 }
 
 type CatalogNode struct {