Update files/en-us/mozilla/firefox/releases/139/index.md

Author: hamishwillee

files/en-us/mozilla/firefox/releases/139/index.md

@@ -50,7 +50,7 @@ This article provides information about the changes in Firefox 139 that affect d
 
 #### Removals
 
-- The experimental {{svgelement("discard")}} element has been removed, along with its corresponding {{domxref("SVGDiscardElement")}} JavaScript interface.
+- The experimental `<discard>` element has been removed, along with its corresponding {{domxref("SVGDiscardElement")}} JavaScript interface.
   These aren't supported in other browsers and are expected to be removed from the specification.
   ([Firefox bug 1958839](https://bugzil.la/1958839)).