diff --git a/src/main/res/values-de/strings.xml b/src/main/res/values-de/strings.xml
index 782b5825f..a460ac3e1 100644
--- a/src/main/res/values-de/strings.xml
+++ b/src/main/res/values-de/strings.xml
@@ -132,6 +132,8 @@
     <string name="pref_never_send_crash_summary">Mit dem Einsenden von Absturzberichten hilfst du bei der Weiterentwicklung</string>
     <string name="pref_confirm_messages">Lese- und Empfangsbestätigung senden</string>
     <string name="pref_confirm_messages_summary">Informiere deine Kontakte, wenn du eine Nachricht empfangen und gelesen hast</string>
+    <string name="pref_prevent_screenshots">Screenshots verhindern</string>
+    <string name="pref_prevent_screenshots_summary">Ausblenden von App-Inhalten im App-Switcher und Blockieren von Screenshots</string>
     <string name="pref_ui_options">Benutzeroberfläche</string>
     <string name="openpgp_error">OpenKeychain verursachte einen Fehler.</string>
     <string name="bad_key_for_encryption">Fehlerhafter Schlüssel für die Verschlüsselung.</string>
@@ -414,6 +416,7 @@
     <string name="audio">Audio</string>
     <string name="video">Video</string>
     <string name="image">Bild</string>
+    <string name="vector_graphic">Vektorgrafik</string>
     <string name="pdf_document">PDF-Dokument</string>
     <string name="apk">Android App</string>
     <string name="vcard">Kontakt</string>
@@ -912,6 +915,7 @@
     <string name="rtp_state_connectivity_lost_error">Verbindung unterbrochen</string>
     <string name="rtp_state_retracted">Anruf zurückgenommen</string>
     <string name="rtp_state_application_failure">App-Fehler</string>
+    <string name="rtp_state_security_error">Verifikationsproblem</string>
     <string name="hang_up">Auflegen</string>
     <string name="ongoing_call">Laufender Anruf</string>
     <string name="ongoing_video_call">Laufender Videoanruf</string>
@@ -963,4 +967,6 @@
     <string name="no_active_accounts_support_this">Keine aktiven Konten unterstützen diese Funktion</string>
     <string name="backup_started_message">Das Backup wurde gestartet. Du bekommst eine Benachrichtigung sobald es fertig ist.</string>
     <string name="unable_to_enable_video">Video kann nicht aktiviert werden.</string>
-    </resources>
+    <string name="plain_text_document">Textdokument</string>
+
+</resources>
diff --git a/src/main/res/values-gl/strings.xml b/src/main/res/values-gl/strings.xml
index 2baea5f16..75e9c45dd 100644
--- a/src/main/res/values-gl/strings.xml
+++ b/src/main/res/values-gl/strings.xml
@@ -132,6 +132,8 @@
     <string name="pref_never_send_crash_summary">Ao enviar trazas do sistema estás axudando ao desenvolvemento</string>
     <string name="pref_confirm_messages">Confirmación de mensaxes</string>
     <string name="pref_confirm_messages_summary">Permitir aos teus contactos saber se recibiches e liches as súas mensaxes</string>
+    <string name="pref_prevent_screenshots">Evitar capturas de pantalla</string>
+    <string name="pref_prevent_screenshots_summary">Agochar os contidos da app no cambiador de apps e bloquear pantallazos</string>
     <string name="pref_ui_options">Interface</string>
     <string name="openpgp_error">OpenKeychain producíu un erro.</string>
     <string name="bad_key_for_encryption">Chave incorrecta para cifrar.</string>
@@ -414,6 +416,7 @@
     <string name="audio">son</string>
     <string name="video">video</string>
     <string name="image">imaxe</string>
+    <string name="vector_graphic">gráfico de vector</string>
     <string name="pdf_document">documento PDF</string>
     <string name="apk">App Android</string>
     <string name="vcard">Contacto</string>
@@ -912,6 +915,7 @@
     <string name="rtp_state_connectivity_lost_error">Perdeuse a conexión</string>
     <string name="rtp_state_retracted">Chamada cortada</string>
     <string name="rtp_state_application_failure">Fallo na aplicación</string>
+    <string name="rtp_state_security_error">Problema na verificación</string>
     <string name="hang_up">Colgar</string>
     <string name="ongoing_call">Chamada en curso</string>
     <string name="ongoing_video_call">Videochamada en curso</string>
@@ -963,4 +967,6 @@
     <string name="no_active_accounts_support_this">Ningunha conta activa soporta esta función</string>
     <string name="backup_started_message">Comezou a creación da copia de apoio. Recibirás unha notificación cando remate.</string>
     <string name="unable_to_enable_video">Non se puido activar o vídeo.</string>
-    </resources>
+    <string name="plain_text_document">Documento de texto plano</string>
+
+</resources>
diff --git a/src/main/res/values-zh-rCN/strings.xml b/src/main/res/values-zh-rCN/strings.xml
index 4df82f547..b3dcf959d 100644
--- a/src/main/res/values-zh-rCN/strings.xml
+++ b/src/main/res/values-zh-rCN/strings.xml
@@ -129,6 +129,8 @@
     <string name="pref_never_send_crash_summary">通过发送堆栈跟踪，您可以帮助Conversations持续发展</string>
     <string name="pref_confirm_messages">确认消息</string>
     <string name="pref_confirm_messages_summary">让对方知道你收到并阅读了他们的消息</string>
+    <string name="pref_prevent_screenshots">防止截屏</string>
+    <string name="pref_prevent_screenshots_summary">在应用切换中隐藏应用程序内容并阻止截图</string>
     <string name="pref_ui_options">用户界面</string>
     <string name="openpgp_error">OpenKeychain报告一个错误。</string>
     <string name="bad_key_for_encryption">错误的密钥</string>
@@ -411,6 +413,7 @@
     <string name="audio">音频</string>
     <string name="video">视频</string>
     <string name="image">图片</string>
+    <string name="vector_graphic">矢量图</string>
     <string name="pdf_document">PDF文档</string>
     <string name="apk">Android App</string>
     <string name="vcard">联系人</string>
@@ -901,6 +904,7 @@
     <string name="rtp_state_connectivity_lost_error">连接丢失</string>
     <string name="rtp_state_retracted">通话已撤销</string>
     <string name="rtp_state_application_failure">程序错误</string>
+    <string name="rtp_state_security_error">验证问题</string>
     <string name="hang_up">挂断</string>
     <string name="ongoing_call">正在进行的通话</string>
     <string name="ongoing_video_call">正在进行的视频通话</string>
@@ -950,4 +954,6 @@
     <string name="no_active_accounts_support_this">没有活跃帐户支持此功能</string>
     <string name="backup_started_message">已启动备份。一旦完成，你会收到通知。</string>
     <string name="unable_to_enable_video">无法启用视频</string>
-    </resources>
+    <string name="plain_text_document">纯文本文档</string>
+
+</resources>