diff --git a/http/headers/Origin.json b/http/headers/Origin.json
index 4f22153a901a3d..ac5679f33eb62e 100644
--- a/http/headers/Origin.json
+++ b/http/headers/Origin.json
@@ -22,9 +22,9 @@
                 "version_added": "70"
               },
               {
-                "version_added": true,
+                "version_added": "1",
                 "partial_implementation": true,
-                "notes": "Not sent with <code>POST</code> requests until Firefox 58, see <a href='https://bugzil.la/446344'>bug 446344</a>."
+                "notes": "Not sent with <code>POST</code> requests, see <a href='https://bugzil.la/446344'>bug 446344</a>."
               }
             ],
             "firefox_android": "mirror",