diff --git a/browsers.json b/browsers.json
index 277965b0e6..30d1fff8eb 100644
--- a/browsers.json
+++ b/browsers.json
@@ -13,7 +13,7 @@
     },
     {
       "name": "webkit",
-      "revision": "1442",
+      "revision": "1443",
       "download": true
     },
     {
diff --git a/src/server/webkit/protocol.ts b/src/server/webkit/protocol.ts
index e255c4def3..7cfb33be1d 100644
--- a/src/server/webkit/protocol.ts
+++ b/src/server/webkit/protocol.ts
@@ -908,7 +908,7 @@ export module Protocol {
      */
     export type LayoutContextType = "grid";
     /**
-     * The mode for how layout context type changes are handled. <code>Observed</code> limits handling to those nodes already known to the frontend by other means (generally, this means the node is a visible item in the Elements tab). <code>All</code> informs the frontend of all layout context type changes and.
+     * The mode for how layout context type changes are handled (default: <code>Observed</code>). <code>Observed</code> limits handling to those nodes already known to the frontend by other means (generally, this means the node is a visible item in the Elements tab). <code>All</code> informs the frontend of all layout context type changes and all nodes with a known layout context are sent to the frontend.
      */
     export type LayoutContextTypeChangedMode = "observed"|"all";