diff --git a/CHANGELOG.md b/CHANGELOG.md
index 576839aa..044f5647 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,8 @@
 
 ### 0.12.0
 #### Added
-- iframe navigation handling [#535](https://github.com/MontFerret/ferret/pull/535)
+- iFrame navigation handling [#535](https://github.com/MontFerret/ferret/pull/535)
+- ``FRAMES`` function for fast frame lookup [#535](https://github.com/MontFerret/ferret/pull/535)
 - Assertion library [#526](https://github.com/MontFerret/ferret/pull/526)
 
 #### Changed
diff --git a/pkg/stdlib/html/wait_navigation.go b/pkg/stdlib/html/wait_navigation.go
index e4d18bca..7384a0d8 100644
--- a/pkg/stdlib/html/wait_navigation.go
+++ b/pkg/stdlib/html/wait_navigation.go
@@ -20,6 +20,10 @@ type WaitNavigationParams struct {
 // Stops the execution until the navigation ends or operation times out.
 // @param {HTMLPage} page - Target page.
 // @param {Int} [timeout=5000] - Navigation timeout.
+// @param {Object} [params=None] - Navigation parameters.
+// @param {Int} [params.timeout=5000] - Navigation timeout.
+// @param {Int} [params.target] - Navigation target url.
+// @param {HTMLDocument} [params.frame] - Navigation frame.
 func WaitNavigation(ctx context.Context, args ...core.Value) (core.Value, error) {
 	err := core.ValidateArgs(args, 1, 2)