diff --git a/Userland/Libraries/LibWeb/HTML/HistoryHandlingBehavior.h b/Userland/Libraries/LibWeb/HTML/HistoryHandlingBehavior.h
index 5c201854c4..9d4fc3fdc0 100644
--- a/Userland/Libraries/LibWeb/HTML/HistoryHandlingBehavior.h
+++ b/Userland/Libraries/LibWeb/HTML/HistoryHandlingBehavior.h
@@ -10,9 +10,10 @@ namespace Web::HTML {
 
 // https://html.spec.whatwg.org/multipage/browsing-the-web.html#history-handling-behavior
 enum class HistoryHandlingBehavior {
-    Default,
-    EntryUpdate,
-    Reload,
+    Default,     // FIXME: This is no longer part of the spec. Remove.
+    EntryUpdate, // FIXME: This is no longer part of the spec. Remove.
+    Reload,      // FIXME: This is no longer part of the spec. Remove.
+    Push,
     Replace,
 };