diff --git a/tx.go b/tx.go
index 340dda8..5b8e25b 100644
--- a/tx.go
+++ b/tx.go
@@ -330,7 +330,7 @@ func (tx *Tx) close() {
 // Copy writes the entire database to a writer.
 // This function exists for backwards compatibility.
 //
-// Deprecated; Use WriteTo() instead.
+// Deprecated: Use WriteTo() instead.
 func (tx *Tx) Copy(w io.Writer) error {
 	_, err := tx.WriteTo(w)
 	return err