diff --git a/src/main/res/values-de-rDE/strings.xml b/src/main/res/values-de-rDE/strings.xml
index 618c228..65e93aa 100644
--- a/src/main/res/values-de-rDE/strings.xml
+++ b/src/main/res/values-de-rDE/strings.xml
@@ -184,4 +184,5 @@
     <string name="pref_show_sync_notifications">Synchronisations-Benachrichtigungen anzeigen</string>
     <string name="sync_complete">Synchronisierung abgeschlossen</string>
     <string name="err_sync_http_write_failed">Fehler #19: Fehler beim Schreiben des HTTP-Streams während der Datenübertragung zum Server.</string>
-    </resources>
+    <string name="err_sync_http_request_protocol_exception">Error #20 : Fehler beim Setzen der HTTP-Protokoll-Version.</string>
+</resources>
diff --git a/src/main/res/values-de/strings.xml b/src/main/res/values-de/strings.xml
index ce3c35a..54d9d08 100644
--- a/src/main/res/values-de/strings.xml
+++ b/src/main/res/values-de/strings.xml
@@ -184,4 +184,5 @@
     <string name="pref_show_sync_notifications">Synchronisations-Benachrichtigungen anzeigen</string>
     <string name="sync_complete">Synchronisierung abgeschlossen</string>
     <string name="err_sync_http_write_failed">Fehler #19: Fehler beim Schreiben des HTTP-Streams während der Datenübertragung zum Server.</string>
-    </resources>
+    <string name="err_sync_http_request_protocol_exception">Error #20 : Fehler beim Setzen der HTTP-Protokoll-Version.</string>
+</resources>
diff --git a/src/main/res/values-it/strings.xml b/src/main/res/values-it/strings.xml
index 529c057..416d047 100644
--- a/src/main/res/values-it/strings.xml
+++ b/src/main/res/values-it/strings.xml
@@ -184,4 +184,5 @@
     <string name="pref_show_sync_notifications">Mostra notifiche di sincronizzazione</string>
     <string name="sync_complete">Sincronizzazione completata</string>
     <string name="err_sync_http_write_failed">Errore #19: scrittura del flusso HTTP non riuscita durante l\'invio dei dati al server.</string>
-    </resources>
+    <string name="err_sync_http_request_protocol_exception">Errore #20: impostazione della versione corretta del protocollo HTTP non riuscita.</string>
+</resources>
diff --git a/src/main/res/values-pl/strings.xml b/src/main/res/values-pl/strings.xml
index 5022aed..d4dcc9c 100644
--- a/src/main/res/values-pl/strings.xml
+++ b/src/main/res/values-pl/strings.xml
@@ -50,7 +50,7 @@
     <string name="title_global_pref_to_general_prefs">Ogólne preferencje</string>
     <string name="summary_global_pref_to_general_prefs">Opcje synchronizacji</string>
     <string name="summary_notif_prefs">Powiadomienia</string>
-    <string name="pref_header_data_sync">Dane &amp; synchronizacja</string>
+    <string name="pref_header_data_sync">Synchronizacja &amp; danych</string>
     <string name="title_activity_general_settings">Ustawienia ogólne</string>
 
     <string-array name="pref_sync_frequency_titles">
diff --git a/src/main/res/values-pt-rBR/strings.xml b/src/main/res/values-pt-rBR/strings.xml
index 8af4411..52a7959 100644
--- a/src/main/res/values-pt-rBR/strings.xml
+++ b/src/main/res/values-pt-rBR/strings.xml
@@ -184,4 +184,5 @@
     <string name="pref_show_sync_notifications">Mostrar notificações de sincronismo</string>
     <string name="sync_complete">Sincronização completa</string>
     <string name="err_sync_http_write_failed">Erro #19: Falha escrevendo o stream PHP ao enviar dados para o servidor.</string>
-    </resources>
+    <string name="err_sync_http_request_protocol_exception">Erro #20: Falha ao configurar o protocolo HTTP adequadamente.</string>
+</resources>