diff --git a/app/src/main/res/values-es-rES/strings.xml b/app/src/main/res/values-es-rES/strings.xml
index c711085985..7c7955769e 100644
--- a/app/src/main/res/values-es-rES/strings.xml
+++ b/app/src/main/res/values-es-rES/strings.xml
@@ -437,6 +437,9 @@
     <string name="title_resync">Resincronizar</string>
     <string name="title_no_openpgp">OpenKeychain no encontrado</string>
     <string name="title_not_encrypted">El mensaje no está cifrado</string>
+    <string name="title_signature_none">Mensaje no firmado</string>
+    <string name="title_signature_valid">Firma de mensaje válida</string>
+    <string name="title_signature_invalid">Firma de mensaje no válida</string>
     <string name="title_search">Buscar</string>
     <string name="title_search_in">Buscar en</string>
     <string name="title_searching">Buscando \'%1$s\'</string>
diff --git a/app/src/main/res/values-nn-rNO/strings.xml b/app/src/main/res/values-nn-rNO/strings.xml
index ac6b6005ca..e6072ce97d 100644
--- a/app/src/main/res/values-nn-rNO/strings.xml
+++ b/app/src/main/res/values-nn-rNO/strings.xml
@@ -437,6 +437,9 @@
     <string name="title_resync">Resync</string>
     <string name="title_no_openpgp">Finner ikke OpenKeychain</string>
     <string name="title_not_encrypted">Meldingen er ikke kryptert</string>
+    <string name="title_signature_none">Melding ikke signert</string>
+    <string name="title_signature_valid">Meldings signatur gyldig</string>
+    <string name="title_signature_invalid">Meldings signatur ugyldig</string>
     <string name="title_search">Søk</string>
     <string name="title_search_in">Søk i</string>
     <string name="title_searching">Søker \'%1$s \'</string>
diff --git a/app/src/main/res/values-no-rNO/strings.xml b/app/src/main/res/values-no-rNO/strings.xml
index ac6b6005ca..e6072ce97d 100644
--- a/app/src/main/res/values-no-rNO/strings.xml
+++ b/app/src/main/res/values-no-rNO/strings.xml
@@ -437,6 +437,9 @@
     <string name="title_resync">Resync</string>
     <string name="title_no_openpgp">Finner ikke OpenKeychain</string>
     <string name="title_not_encrypted">Meldingen er ikke kryptert</string>
+    <string name="title_signature_none">Melding ikke signert</string>
+    <string name="title_signature_valid">Meldings signatur gyldig</string>
+    <string name="title_signature_invalid">Meldings signatur ugyldig</string>
     <string name="title_search">Søk</string>
     <string name="title_search_in">Søk i</string>
     <string name="title_searching">Søker \'%1$s \'</string>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 8d1391b69c..8b56d2048d 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -429,6 +429,9 @@
     <string name="title_resync">重新同步</string>
     <string name="title_no_openpgp">OpenKeychain 未找到</string>
     <string name="title_not_encrypted">邮件未加密</string>
+    <string name="title_signature_none">消息未签名</string>
+    <string name="title_signature_valid">消息签名有效</string>
+    <string name="title_signature_invalid">消息签名无效</string>
     <string name="title_search">搜索</string>
     <string name="title_search_in">搜索范围</string>
     <string name="title_searching">搜索 “%1$s”</string>