diff --git a/Mac/AppDelegate.swift b/Mac/AppDelegate.swift
index 35e95b965..075d61be2 100644
--- a/Mac/AppDelegate.swift
+++ b/Mac/AppDelegate.swift
@@ -600,7 +600,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, NSUserInterfaceValidations,
 
 	@IBAction func showHelp(_ sender: Any?) {
 
-		Browser.open("https://ranchero.com/netnewswire/help/mac/5.0/en/", inBackground: false)
+		Browser.open("https://ranchero.com/netnewswire/help/mac/5.1/en/", inBackground: false)
 	}
 
 	@IBAction func donateToAppCampForGirls(_ sender: Any?) {