diff --git a/user_manual/locale/es/LC_MESSAGES/groupware/sync_thunderbird.po b/user_manual/locale/es/LC_MESSAGES/groupware/sync_thunderbird.po
index d74ceb53f..134c50d14 100644
--- a/user_manual/locale/es/LC_MESSAGES/groupware/sync_thunderbird.po
+++ b/user_manual/locale/es/LC_MESSAGES/groupware/sync_thunderbird.po
@@ -48,7 +48,7 @@ msgstr "Método recomendado"
 #: ../../groupware/sync_thunderbird.rst:11
 msgid "Since Thunderbird 102, the CardDAV protocol is natively supported."
 msgstr ""
-"A partir de Thunderbird 102, el protocolo CardDAV está soportado en forma "
+"A partir de Thunderbird 102, el protocolo CardDAV está soportado de forma "
 "nativa."
 
 #: ../../groupware/sync_thunderbird.rst:13