diff --git a/go/buildutil/tags.go b/go/buildutil/tags.go
index 97350940ea..525ecb6c5f 100644
--- a/go/buildutil/tags.go
+++ b/go/buildutil/tags.go
@@ -16,7 +16,7 @@ const TagsFlagDoc = "a list of `build tags` to consider satisfied during the bui
 // See $GOROOT/src/cmd/go/doc.go for description of 'go build -tags' flag.
 //
 // Example:
-//	flag.Var((*buildutil.TagsFlag)(&build.Default.BuildTags), "tags", buildutil.TagsDoc)
+// 	flag.Var((*buildutil.TagsFlag)(&build.Default.BuildTags), "tags", buildutil.TagsFlagDoc)
 type TagsFlag []string
 
 func (v *TagsFlag) Set(s string) error {