diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..9b4ca9e
--- /dev/null
+++ b/go.mod
@@ -0,0 +1 @@
+module github.com/google/orderedcode
diff --git a/orderedcode.go b/orderedcode.go
index a0cbed9..87325c1 100644
--- a/orderedcode.go
+++ b/orderedcode.go
@@ -124,7 +124,7 @@ decode, wrap the item pointer in an orderedcode.Decr. For example:
 Each item's ordering is independent from other items, but the same ordering
 should be used to encode and decode the i'th item.
 */
-package orderedcode
+package orderedcode // import "github.com/google/orderedcode"
 
 import (
 	"errors"