diff --git a/api/FormData.json b/api/FormData.json
index 0503b8c3164539..8cacdc0593ac97 100644
--- a/api/FormData.json
+++ b/api/FormData.json
@@ -153,9 +153,9 @@
             "deprecated": false
           }
         },
-        "AppendWithFilename": {
+        "filename_parameter": {
           "__compat": {
-            "description": "<code>append</code> with filename",
+            "description": "<code>filename</code> parameter",
             "support": {
               "chrome": {
                 "version_added": "16"