diff --git a/user_manual/locale/pt_BR/LC_MESSAGES/groupware/sync_thunderbird.pot b/user_manual/locale/pt_BR/LC_MESSAGES/groupware/sync_thunderbird.pot
index 66ea59370..c2f41ed17 100644
--- a/user_manual/locale/pt_BR/LC_MESSAGES/groupware/sync_thunderbird.pot
+++ b/user_manual/locale/pt_BR/LC_MESSAGES/groupware/sync_thunderbird.pot
@@ -148,7 +148,7 @@ msgstr ""
 
 #: ../../groupware/sync_thunderbird.rst:43
 msgid "Alternative: Using the CardBook add-on (Contacts only)"
-msgstr "Alternativa: usando o complemento CardBook (somente contatos)"
+msgstr "Alternativa: Uso da extensão CardBook (somente contatos)"
 
 #: ../../groupware/sync_thunderbird.rst:45
 msgid ""