diff --git a/html/global_attributes.json b/html/global_attributes.json
index 10ec9840fd1470..3a9b8cd4e2b1a1 100644
--- a/html/global_attributes.json
+++ b/html/global_attributes.json
@@ -888,6 +888,7 @@
         "nonce_hiding": {
           "__compat": {
             "description": "`nonce` hiding behavior",
+            "spec_url": "https://html.spec.whatwg.org/multipage/urls-and-fetching.html#nonce-does-not-update-dom",
             "support": {
               "chrome": {
                 "version_added": "61"
@@ -905,8 +906,7 @@
               "opera": "mirror",
               "opera_android": "mirror",
               "safari": {
-                "version_added": false,
-                "impl_url": "https://webkit.org/b/179728"
+                "version_added": "15.5"
               },
               "safari_ios": "mirror",
               "samsunginternet_android": "mirror",