diff --git a/lib/browser/api/web-contents.ts b/lib/browser/api/web-contents.ts
index 9b2a15acccc40..5705cec695a07 100644
--- a/lib/browser/api/web-contents.ts
+++ b/lib/browser/api/web-contents.ts
@@ -692,8 +692,8 @@ WebContents.prototype._init = function () {
         // TODO(zcbenz): The features string is parsed twice: here where it is
         // passed to C++, and in |makeBrowserWindowOptions| later where it is
         // not actually used since the WebContents is created here.
-        // We should be able to remove the latter once the |nativeWindowOpen|
-        // option is removed.
+        // We should be able to remove the latter once the |new-window| event
+        // is removed.
         const { webPreferences: parsedWebPreferences } = parseFeatures(rawFeatures);
         // Parameters should keep same with |makeBrowserWindowOptions|.
         const webPreferences = makeWebPreferences({
diff --git a/lib/browser/guest-window-manager.ts b/lib/browser/guest-window-manager.ts
index 924fb0f7af6e9..9815865f72499 100644
--- a/lib/browser/guest-window-manager.ts
+++ b/lib/browser/guest-window-manager.ts
@@ -196,10 +196,10 @@ function makeBrowserWindowOptions ({ embedder, features, overrideOptions }: {
       height: 600,
       ...parsedOptions,
       ...overrideOptions,
-      // Note that for |nativeWindowOpen: true| the WebContents is created in
-      // |api::WebContents::WebContentsCreatedWithFullParams|, with prefs
-      // parsed in the |-will-add-new-contents| event.
-      // The |webPreferences| here is only used by |nativeWindowOpen: false|.
+      // Note that for normal code path an existing WebContents created by
+      // Chromium will be used, with web preferences parsed in the
+      // |-will-add-new-contents| event.
+      // The |webPreferences| here is only used by the |new-window| event.
       webPreferences: makeWebPreferences({
         embedder,
         insecureParsedWebPreferences: parsedWebPreferences,