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-rw-r--r--src/cmd/go2go/doc.go9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/cmd/go2go/doc.go b/src/cmd/go2go/doc.go
index c78fd9d6a4..059b91b0bb 100644
--- a/src/cmd/go2go/doc.go
+++ b/src/cmd/go2go/doc.go
@@ -7,7 +7,7 @@
//
// Usage:
//
-// go2go [options] <command> [arguments]
+// go2go [options] <command> [go2go flags] [arguments]
//
// Commands:
//
@@ -25,6 +25,13 @@
// imports will be looked up in the usual way. If an import includes
// .go2 files, they will be translated into .go files.
//
+// The go2go flags are shared by the build, run, test, and translate commands:
+//
+// -tags tag,list
+// a comma-separated list of build tags to consider satisfied during the
+// build. For more information about build tags, see the description of
+// build constraints in the documentation for the go/build package.
+//
// There is a sample GO2PATH in cmd/go2go/testdata/go2path. It provides
// several packages that serve as examples of using generics, and may
// be useful in experimenting with your own generic code.