Update vcmi-1.6.json

Author: Olegmods

vcmi-1.6.json

@@ -970,7 +970,7 @@
 			"https://raw.githubusercontent.com/vcmi-mods/kremlin-town/vcmi-1.6/screenshots/screen2.png",
 			"https://raw.githubusercontent.com/vcmi-mods/kremlin-town/vcmi-1.6/screenshots/screen3.png",
 			"https://raw.githubusercontent.com/vcmi-mods/kremlin-town/vcmi-1.6/screenshots/screen4.png",
-			"https://raw.githubusercontent.com/vcmi-mods/kremlin-town/vcmi-1.6/screenshots/screen5.png"
+			"https://raw.githubusercontent.com/vcmi-mods/kremlin-town/vcmi-1.6/screenshots/screen6.png"
 		],
 		"downloadSize" : 46.636
 	},