diff --git a/internal/cmd/oohelperd/internal/websteps/websteps.go b/internal/cmd/oohelperd/internal/websteps/websteps.go
index ca0720e..ee7f899 100644
--- a/internal/cmd/oohelperd/internal/websteps/websteps.go
+++ b/internal/cmd/oohelperd/internal/websteps/websteps.go
@@ -1,6 +1,9 @@
 // Package websteps implements the websteps test helper.
 //
-// See https://github.com/ooni/spec/blob/master/backends/th-007-nwcth.md
+// See the https://github.com/ooni/spec/blob/master/backends/th-007-websteps.md
+// related specification document.
+//
+// This implementation uses version 202108.17.1114 of the spec.
 package websteps
 
 import (
diff --git a/internal/engine/experiment/websteps/websteps.go b/internal/engine/experiment/websteps/websteps.go
index 5622ac0..71bc1ed 100644
--- a/internal/engine/experiment/websteps/websteps.go
+++ b/internal/engine/experiment/websteps/websteps.go
@@ -1,3 +1,16 @@
+// Package websteps implements the websteps experiment.
+//
+// Specifications:
+//
+// - test helper: https://github.com/ooni/spec/blob/master/backends/th-007-websteps.md
+//
+// - experiment: N/A.
+//
+// We are currently implementing:
+//
+// - version 202108.17.1114 of the test helper spec.
+//
+// - version N/A of the experiment spec.
 package websteps
 
 import (