diff --git a/user_manual/locale/de/LC_MESSAGES/groupware/sync_thunderbird.pot b/user_manual/locale/de/LC_MESSAGES/groupware/sync_thunderbird.pot
index 356248772..8267e0032 100644
--- a/user_manual/locale/de/LC_MESSAGES/groupware/sync_thunderbird.pot
+++ b/user_manual/locale/de/LC_MESSAGES/groupware/sync_thunderbird.pot
@@ -8,6 +8,7 @@
 # Joachim Sokolowski, 2025
 # Mario Siegmann <mario_siegmann@web.de>, 2025
 # Mark Ziegler <mark.ziegler@rakekniven.de>, 2025
+# Martin Wilichowski, 2025
 # 
 #, fuzzy
 msgid ""
@@ -16,7 +17,7 @@ msgstr ""
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2025-02-12 13:02+0000\n"
 "PO-Revision-Date: 2021-12-01 18:40+0000\n"
-"Last-Translator: Mark Ziegler <mark.ziegler@rakekniven.de>, 2025\n"
+"Last-Translator: Martin Wilichowski, 2025\n"
 "Language-Team: German (https://app.transifex.com/nextcloud/teams/64236/de/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -26,7 +27,7 @@ msgstr ""
 
 #: ../../groupware/sync_thunderbird.rst:3
 msgid "Synchronizing with Thunderbird"
-msgstr "Synchronisieren mit Thunderbird"
+msgstr "Synchronisierung mit Thunderbird"
 
 #: ../../groupware/sync_thunderbird.rst:5
 msgid ""