diff --git a/api/NDEFReader.json b/api/NDEFReader.json
index 6b74062605b39..e91f285299415 100644
--- a/api/NDEFReader.json
+++ b/api/NDEFReader.json
@@ -107,6 +107,41 @@
           }
         }
       },
+      "makeReadOnly": {
+        "__compat": {
+          "spec_url": "https://w3c.github.io/web-nfc/#the-makereadonly-method",
+          "support": {
+            "chrome": {
+              "version_added": false
+            },
+            "chrome_android": {
+              "version_added": "89"
+            },
+            "edge": "mirror",
+            "firefox": {
+              "version_added": false
+            },
+            "firefox_android": "mirror",
+            "ie": {
+              "version_added": false
+            },
+            "oculus": "mirror",
+            "opera": "mirror",
+            "opera_android": "mirror",
+            "safari": {
+              "version_added": false
+            },
+            "safari_ios": "mirror",
+            "samsunginternet_android": "mirror",
+            "webview_android": "mirror"
+          },
+          "status": {
+            "experimental": true,
+            "standard_track": true,
+            "deprecated": false
+          }
+        }
+      },
       "reading_event": {
         "__compat": {
           "description": "<code>reading</code> event",