diff --git a/res/values-ja/strings.xml b/res/values-ja/strings.xml
index b19e98f0f1..3fc2e3dfeb 100644
--- a/res/values-ja/strings.xml
+++ b/res/values-ja/strings.xml
@@ -215,6 +215,8 @@
   <string name="ConversationFragment_quoted_message_not_found">元のメッセージが見つかりません</string>
   <string name="ConversationFragment_quoted_message_no_longer_available">元のメッセージはすでに削除されています</string>
   <string name="ConversationFragment_failed_to_open_message">メッセージの開封に失敗しました</string>
+  <string name="ConversationFragment_you_can_swipe_to_the_right_reply">メッセージを右にスワイプすると返信できます。</string>
+  <string name="ConversationFragment_you_can_swipe_to_the_left_reply">メッセージを左にスワイプすると返信できます。</string>
   <!--ConversationListActivity-->
   <string name="ConversationListActivity_there_is_no_browser_installed_on_your_device">ブラウザがインストールされていません</string>
   <!--ConversationListFragment-->
diff --git a/res/values-pt/strings.xml b/res/values-pt/strings.xml
index 7315aebc6a..1960014bb0 100644
--- a/res/values-pt/strings.xml
+++ b/res/values-pt/strings.xml
@@ -225,6 +225,8 @@
   <string name="ConversationFragment_quoted_message_not_found">Não foi encontrada a mensagem original</string>
   <string name="ConversationFragment_quoted_message_no_longer_available">A mensagem original já não está disponível</string>
   <string name="ConversationFragment_failed_to_open_message">Falha ao abrir a mensagem</string>
+  <string name="ConversationFragment_you_can_swipe_to_the_right_reply">Pode deslizar qualquer mensagem para a direita para responder rapidamente</string>
+  <string name="ConversationFragment_you_can_swipe_to_the_left_reply">Pode deslizar qualquer mensagem para a esquerda para responder rapidamente</string>
   <!--ConversationListActivity-->
   <string name="ConversationListActivity_there_is_no_browser_installed_on_your_device">Não existe nenhum navegador instalado no seu dispositivo.</string>
   <!--ConversationListFragment-->