diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 9416de75c..e799dcfc7 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -1073,4 +1073,7 @@
     <string name="check_redirect">Check redirect</string>
     <string name="no_redirect">This URL does not redirect</string>
     <string name="redirect_detected">%1$s \n\nredirects to\n\n %2$s</string>
+    <string name="set_user_agent">Change the user agent</string>
+    <string name="set_user_agent_hint">Set a custom user agent or leave blank</string>
+    <string name="set_user_agent_indication">Allows to customize the user agent used for api calls or with the built-in browser.</string>
 </resources>