[Bug]: A rather weird translation issue

[olivertzeng]

Preflight Checklist

• I have checked the issue tracker for issues that may be similar to mine.
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Description

The translations is weird

Steps to Reproduce

Change to Chinese (Taiwan)

Actual result

It says for example "Firefox"

Expected result

It should say "DOS" (no its "Dot")

Browser version

the latest

Browser build date

the latest

Browser channel

Nightly

Other information