diff --git a/api/HTMLElement.json b/api/HTMLElement.json
index eb9a04141de8e..599c4838b6a64 100644
--- a/api/HTMLElement.json
+++ b/api/HTMLElement.json
@@ -1359,7 +1359,7 @@
           "description": "<code>input</code> event",
           "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLElement/input_event",
           "spec_url": [
-            "https://html.spec.whatwg.org/multipage/indices.html#event-input-input",
+            "https://w3c.github.io/uievents/#event-type-input",
             "https://html.spec.whatwg.org/multipage/webappapis.html#handler-oninput"
           ],
           "support": {
diff --git a/api/HTMLSlotElement.json b/api/HTMLSlotElement.json
index 8a002d48ac9b9..d047cc85c6d26 100644
--- a/api/HTMLSlotElement.json
+++ b/api/HTMLSlotElement.json
@@ -174,7 +174,7 @@
           "description": "<code>slotchange</code> event",
           "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLSlotElement/slotchange_event",
           "spec_url": [
-            "https://html.spec.whatwg.org/multipage/indices.html#event-slotchange",
+            "https://dom.spec.whatwg.org/#eventdef-htmlslotelement-slotchange",
             "https://html.spec.whatwg.org/multipage/webappapis.html#handler-onslotchange"
           ],
           "support": {