diff --git a/bookmarks/other/mozilla-firefox/customize-firefox_1hdd.json b/bookmarks/other/mozilla-firefox/customize-firefox_1hdd.json
new file mode 100644
index 0000000..26410f2
--- /dev/null
+++ b/bookmarks/other/mozilla-firefox/customize-firefox_1hdd.json
@@ -0,0 +1,4 @@
+{
+  "title": "Customize Firefox",
+  "url": "https://support.mozilla.org/en-US/kb/customize-firefox-controls-buttons-and-toolbars?utm_source=firefox-browser&utm_medium=default-bookmarks&utm_campaign=customize"
+}
\ No newline at end of file