diff --git a/internal/benchseries/benchseries.go b/benchseries/benchseries.go
similarity index 100%
rename from internal/benchseries/benchseries.go
rename to benchseries/benchseries.go
diff --git a/internal/benchseries/chart.go b/benchseries/chart.go
similarity index 100%
rename from internal/benchseries/chart.go
rename to benchseries/chart.go
diff --git a/internal/benchseries/csv.go b/benchseries/csv.go
similarity index 100%
rename from internal/benchseries/csv.go
rename to benchseries/csv.go
diff --git a/benchseries/doc.go b/benchseries/doc.go
new file mode 100644
index 0000000..b330701
--- /dev/null
+++ b/benchseries/doc.go
@@ -0,0 +1,9 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// The benchseries package generates performance differentials and analysis tailored
+// to the output of tools and benchmarks in golang.org/x/benchmarks.
+//
+// WARNING: The API is experimental, unstable, and subject to change at any time.
+package benchseries
diff --git a/cmd/benchseries/main.go b/cmd/benchseries/main.go
index ee3e4e1..b8e787b 100644
--- a/cmd/benchseries/main.go
+++ b/cmd/benchseries/main.go
@@ -12,7 +12,7 @@
 
 	// "github.com/dr2chase/debug-server/debug_client"
 	"golang.org/x/perf/benchfmt"
-	"golang.org/x/perf/internal/benchseries"
+	"golang.org/x/perf/benchseries"
 	// "runtime"
 )
 
diff --git a/cmd/benchseries/main_test.go b/cmd/benchseries/main_test.go
index 7603082..2cd3e47 100644
--- a/cmd/benchseries/main_test.go
+++ b/cmd/benchseries/main_test.go
@@ -16,7 +16,7 @@
 	"testing"
 
 	"golang.org/x/perf/benchfmt"
-	"golang.org/x/perf/internal/benchseries"
+	"golang.org/x/perf/benchseries"
 )
 
 var bo *benchseries.BuilderOptions