Toś ta nitka jo se archiwěrowała.
Pšosym stajśo nowe pšašanje, joli trjebaśo pomoc.
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How can I change my username or delete account & re-enter
Misspelled login/user name when registering for Firefox help.
Misspelled login/user name when registering for Firefox help.
Wšykne wótegrona (2)
see cor-el replies in: https://support.mozilla.org/en-US/questions/865869
thank you
It may also work if you change the Display name in your current profile.