diff --git a/html/elements/input.json b/html/elements/input.json
index 51c34cd79e6e86..85c6e2a5b79844 100644
--- a/html/elements/input.json
+++ b/html/elements/input.json
@@ -79,7 +79,10 @@
               "safari": {
                 "version_added": "1"
               },
-              "safari_ios": "mirror",
+              "safari_ios": {
+                "version_added": "1",
+                "notes": "Does not support `audio/*` MIME type. See [bug 242110](https://webkit.org/b/242110)."
+              },
               "samsunginternet_android": "mirror",
               "webview_android": "mirror",
               "webview_ios": "mirror"