diff --git a/src/strings/en-us.json b/src/strings/en-us.json
index 9a70c6b779..4a86f9b2d0 100644
--- a/src/strings/en-us.json
+++ b/src/strings/en-us.json
@@ -633,6 +633,8 @@
     "LabelBaseUrlHelp": "Add a custom subdirectory to the server URL. For example: <code>http://example.com/<b>&lt;baseurl&gt;</b></code>",
     "LabelBackdropScreensaverInterval": "Backdrop Screensaver Interval",
     "LabelBackdropScreensaverIntervalHelp": "The time in seconds between different backdrops when using the backdrop screensaver.",
+    "LabelSlideshowInterval": "Photo Album Slideshow Interval",
+    "LabelSlideshowIntervalHelp": "The time in seconds between change of image when playing of shuffling photos",
     "LabelBindToLocalNetworkAddress": "Bind to local network address",
     "LabelBindToLocalNetworkAddressHelp": "Override the local IP address for the HTTP server. If left empty, the server will bind to all available addresses. Changing this value requires a restart.",
     "LabelBirthDate": "Birth date",